20237890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 17683070

約数列:

[1, 2, 5, 10, 37, 74, 83, 166, 185, 370, 415, 659, 830, 1318, 3071, 3295, 6142, 6590, 15355, 24383, 30710, 48766, 54697, 109394, 121915, 243830, 273485, 546970, 2023789, 4047578, 10118945, 20237890]

約数ペア:

[(1, 20237890), (2, 10118945), (5, 4047578), (10, 2023789), (37, 546970), (74, 273485), (83, 243830), (166, 121915), (185, 109394), (370, 54697), (415, 48766), (659, 30710), (830, 24383), (1318, 15355), (3071, 6590), (3295, 6142)]