20937348540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{17783}}^1$

素因数の和:18040

約数の個数: 144

約数和(自身を含む): 65873074176

約数和(自身を除く): 44935725636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 211, 279, 310, 372, 422, 465, 558, 620, 633, 844, 930, 1055, 1116, 1266, 1395, 1860, 1899, 2110, 2532, 2790, 3165, 3798, 4220, 5580, 6330, 6541, 7596, 9495, 12660, 13082, 17783, 18990, 19623, 26164, 32705, 35566, 37980, 39246, 53349, 58869, 65410, 71132, 78492, 88915, 98115, 106698, 117738, 130820, 160047, 177830, 196230, 213396, 235476, 266745, 294345, 320094, 355660, 392460, 533490, 551273, 588690, 640188, 800235, 1066980, 1102546, 1177380, 1600470, 1653819, 2205092, 2756365, 3200940, 3307638, 3752213, 4961457, 5512730, 6615276, 7504426, 8269095, 9922914, 11025460, 11256639, 15008852, 16538190, 18761065, 19845828, 22513278, 24807285, 33076380, 33769917, 37522130, 45026556, 49614570, 56283195, 67539834, 75044260, 99229140, 112566390, 116318603, 135079668, 168849585, 225132780, 232637206, 337699170, 348955809, 465274412, 581593015, 675398340, 697911618, 1046867427, 1163186030, 1395823236, 1744779045, 2093734854, 2326372060, 3489558090, 4187469708, 5234337135, 6979116180, 10468674270, 20937348540]

約数ペア:

[(1, 20937348540), (2, 10468674270), (3, 6979116180), (4, 5234337135), (5, 4187469708), (6, 3489558090), (9, 2326372060), (10, 2093734854), (12, 1744779045), (15, 1395823236), (18, 1163186030), (20, 1046867427), (30, 697911618), (31, 675398340), (36, 581593015), (45, 465274412), (60, 348955809), (62, 337699170), (90, 232637206), (93, 225132780), (124, 168849585), (155, 135079668), (180, 116318603), (186, 112566390), (211, 99229140), (279, 75044260), (310, 67539834), (372, 56283195), (422, 49614570), (465, 45026556), (558, 37522130), (620, 33769917), (633, 33076380), (844, 24807285), (930, 22513278), (1055, 19845828), (1116, 18761065), (1266, 16538190), (1395, 15008852), (1860, 11256639), (1899, 11025460), (2110, 9922914), (2532, 8269095), (2790, 7504426), (3165, 6615276), (3798, 5512730), (4220, 4961457), (5580, 3752213), (6330, 3307638), (6541, 3200940), (7596, 2756365), (9495, 2205092), (12660, 1653819), (13082, 1600470), (17783, 1177380), (18990, 1102546), (19623, 1066980), (26164, 800235), (32705, 640188), (35566, 588690), (37980, 551273), (39246, 533490), (53349, 392460), (58869, 355660), (65410, 320094), (71132, 294345), (78492, 266745), (88915, 235476), (98115, 213396), (106698, 196230), (117738, 177830), (130820, 160047)]