20557830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5231}}^1$

素因数の和:5372

約数の個数: 32

約数和(自身を含む): 49724928

約数和(自身を除く): 29167098

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5231, 10462, 15693, 26155, 31386, 52310, 78465, 156930, 685261, 1370522, 2055783, 3426305, 4111566, 6852610, 10278915, 20557830]

約数ペア:

[(1, 20557830), (2, 10278915), (3, 6852610), (5, 4111566), (6, 3426305), (10, 2055783), (15, 1370522), (30, 685261), (131, 156930), (262, 78465), (393, 52310), (655, 31386), (786, 26155), (1310, 15693), (1965, 10462), (3930, 5231)]