20173872690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{4013}}^1$

素因数の和:4505

約数の個数: 128

約数和(自身を含む): 55188967680

約数和(自身を除く): 35015094990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 433, 645, 774, 866, 1161, 1290, 1299, 1935, 2165, 2322, 2598, 3870, 3897, 4013, 4330, 5805, 6495, 7794, 8026, 11610, 11691, 12039, 12990, 18619, 19485, 20065, 23382, 24078, 36117, 37238, 38970, 40130, 55857, 58455, 60195, 72234, 93095, 108351, 111714, 116910, 120390, 167571, 172559, 180585, 186190, 216702, 279285, 335142, 345118, 361170, 502713, 517677, 541755, 558570, 837855, 862795, 1005426, 1035354, 1083510, 1553031, 1675710, 1725590, 1737629, 2513565, 2588385, 3106062, 3475258, 4659093, 5027130, 5176770, 5212887, 7765155, 8688145, 9318186, 10425774, 15530310, 15638661, 17376290, 23295465, 26064435, 31277322, 46590930, 46915983, 52128870, 74718047, 78193305, 93831966, 149436094, 156386610, 224154141, 234579915, 373590235, 448308282, 469159830, 672462423, 747180470, 1120770705, 1344924846, 2017387269, 2241541410, 3362312115, 4034774538, 6724624230, 10086936345, 20173872690]

約数ペア:

[(1, 20173872690), (2, 10086936345), (3, 6724624230), (5, 4034774538), (6, 3362312115), (9, 2241541410), (10, 2017387269), (15, 1344924846), (18, 1120770705), (27, 747180470), (30, 672462423), (43, 469159830), (45, 448308282), (54, 373590235), (86, 234579915), (90, 224154141), (129, 156386610), (135, 149436094), (215, 93831966), (258, 78193305), (270, 74718047), (387, 52128870), (430, 46915983), (433, 46590930), (645, 31277322), (774, 26064435), (866, 23295465), (1161, 17376290), (1290, 15638661), (1299, 15530310), (1935, 10425774), (2165, 9318186), (2322, 8688145), (2598, 7765155), (3870, 5212887), (3897, 5176770), (4013, 5027130), (4330, 4659093), (5805, 3475258), (6495, 3106062), (7794, 2588385), (8026, 2513565), (11610, 1737629), (11691, 1725590), (12039, 1675710), (12990, 1553031), (18619, 1083510), (19485, 1035354), (20065, 1005426), (23382, 862795), (24078, 837855), (36117, 558570), (37238, 541755), (38970, 517677), (40130, 502713), (55857, 361170), (58455, 345118), (60195, 335142), (72234, 279285), (93095, 216702), (108351, 186190), (111714, 180585), (116910, 172559), (120390, 167571)]