20154672018

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{41549}}^1$

素因数の和:42264

約数の個数: 64

約数和(自身を含む): 48304368000

約数和(自身を除く): 28149695982

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 691, 702, 1382, 2073, 4146, 6219, 8983, 12438, 17966, 18657, 26949, 37314, 41549, 53898, 80847, 83098, 124647, 161694, 242541, 249294, 373941, 485082, 540137, 747882, 1080274, 1121823, 1620411, 2243646, 3240822, 4861233, 9722466, 14583699, 28710359, 29167398, 57420718, 86131077, 172262154, 258393231, 373234667, 516786462, 746469334, 775179693, 1119704001, 1550359386, 2239408002, 3359112003, 6718224006, 10077336009, 20154672018]

約数ペア:

[(1, 20154672018), (2, 10077336009), (3, 6718224006), (6, 3359112003), (9, 2239408002), (13, 1550359386), (18, 1119704001), (26, 775179693), (27, 746469334), (39, 516786462), (54, 373234667), (78, 258393231), (117, 172262154), (234, 86131077), (351, 57420718), (691, 29167398), (702, 28710359), (1382, 14583699), (2073, 9722466), (4146, 4861233), (6219, 3240822), (8983, 2243646), (12438, 1620411), (17966, 1121823), (18657, 1080274), (26949, 747882), (37314, 540137), (41549, 485082), (53898, 373941), (80847, 249294), (83098, 242541), (124647, 161694)]