20946180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 61246080

約数和(自身を除く): 40299900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 61, 97, 118, 122, 177, 183, 194, 236, 244, 291, 295, 305, 354, 366, 388, 485, 582, 590, 610, 708, 732, 885, 915, 970, 1164, 1180, 1220, 1455, 1770, 1830, 1940, 2910, 3540, 3599, 3660, 5723, 5820, 5917, 7198, 10797, 11446, 11834, 14396, 17169, 17751, 17995, 21594, 22892, 23668, 28615, 29585, 34338, 35502, 35990, 43188, 53985, 57230, 59170, 68676, 71004, 71980, 85845, 88755, 107970, 114460, 118340, 171690, 177510, 215940, 343380, 349103, 355020, 698206, 1047309, 1396412, 1745515, 2094618, 3491030, 4189236, 5236545, 6982060, 10473090, 20946180]

約数ペア:

[(1, 20946180), (2, 10473090), (3, 6982060), (4, 5236545), (5, 4189236), (6, 3491030), (10, 2094618), (12, 1745515), (15, 1396412), (20, 1047309), (30, 698206), (59, 355020), (60, 349103), (61, 343380), (97, 215940), (118, 177510), (122, 171690), (177, 118340), (183, 114460), (194, 107970), (236, 88755), (244, 85845), (291, 71980), (295, 71004), (305, 68676), (354, 59170), (366, 57230), (388, 53985), (485, 43188), (582, 35990), (590, 35502), (610, 34338), (708, 29585), (732, 28615), (885, 23668), (915, 22892), (970, 21594), (1164, 17995), (1180, 17751), (1220, 17169), (1455, 14396), (1770, 11834), (1830, 11446), (1940, 10797), (2910, 7198), (3540, 5917), (3599, 5820), (3660, 5723)]