20717507580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{14419}}^1$

素因数の和:14760

約数の個数: 192

約数和(自身を含む): 72560517120

約数和(自身を除く): 51843009540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 311, 330, 385, 420, 462, 622, 660, 770, 924, 933, 1155, 1244, 1540, 1555, 1866, 2177, 2310, 3110, 3421, 3732, 4354, 4620, 4665, 6220, 6531, 6842, 8708, 9330, 10263, 10885, 13062, 13684, 14419, 17105, 18660, 20526, 21770, 23947, 26124, 28838, 32655, 34210, 41052, 43257, 43540, 47894, 51315, 57676, 65310, 68420, 71841, 72095, 86514, 95788, 100933, 102630, 119735, 130620, 143682, 144190, 158609, 173028, 201866, 205260, 216285, 239470, 287364, 288380, 302799, 317218, 359205, 403732, 432570, 475827, 478940, 504665, 605598, 634436, 718410, 793045, 865140, 951654, 1009330, 1110263, 1211196, 1436820, 1513995, 1586090, 1903308, 2018660, 2220526, 2379135, 3027990, 3172180, 3330789, 4441052, 4484309, 4758270, 5551315, 6055980, 6661578, 8968618, 9516540, 11102630, 13323156, 13452927, 16653945, 17937236, 22205260, 22421545, 26905854, 31390163, 33307890, 44843090, 49327399, 53811708, 62780326, 66615780, 67264635, 89686180, 94170489, 98654798, 125560652, 134529270, 147982197, 156950815, 188340978, 197309596, 246636995, 269058540, 295964394, 313901630, 345291793, 376681956, 470852445, 493273990, 591928788, 627803260, 690583586, 739910985, 941704890, 986547980, 1035875379, 1381167172, 1479821970, 1726458965, 1883409780, 2071750758, 2959643940, 3452917930, 4143501516, 5179376895, 6905835860, 10358753790, 20717507580]

約数ペア:

[(1, 20717507580), (2, 10358753790), (3, 6905835860), (4, 5179376895), (5, 4143501516), (6, 3452917930), (7, 2959643940), (10, 2071750758), (11, 1883409780), (12, 1726458965), (14, 1479821970), (15, 1381167172), (20, 1035875379), (21, 986547980), (22, 941704890), (28, 739910985), (30, 690583586), (33, 627803260), (35, 591928788), (42, 493273990), (44, 470852445), (55, 376681956), (60, 345291793), (66, 313901630), (70, 295964394), (77, 269058540), (84, 246636995), (105, 197309596), (110, 188340978), (132, 156950815), (140, 147982197), (154, 134529270), (165, 125560652), (210, 98654798), (220, 94170489), (231, 89686180), (308, 67264635), (311, 66615780), (330, 62780326), (385, 53811708), (420, 49327399), (462, 44843090), (622, 33307890), (660, 31390163), (770, 26905854), (924, 22421545), (933, 22205260), (1155, 17937236), (1244, 16653945), (1540, 13452927), (1555, 13323156), (1866, 11102630), (2177, 9516540), (2310, 8968618), (3110, 6661578), (3421, 6055980), (3732, 5551315), (4354, 4758270), (4620, 4484309), (4665, 4441052), (6220, 3330789), (6531, 3172180), (6842, 3027990), (8708, 2379135), (9330, 2220526), (10263, 2018660), (10885, 1903308), (13062, 1586090), (13684, 1513995), (14419, 1436820), (17105, 1211196), (18660, 1110263), (20526, 1009330), (21770, 951654), (23947, 865140), (26124, 793045), (28838, 718410), (32655, 634436), (34210, 605598), (41052, 504665), (43257, 478940), (43540, 475827), (47894, 432570), (51315, 403732), (57676, 359205), (65310, 317218), (68420, 302799), (71841, 288380), (72095, 287364), (86514, 239470), (95788, 216285), (100933, 205260), (102630, 201866), (119735, 173028), (130620, 158609), (143682, 144190)]