20939664

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8231}}^1$

素因数の和:8295

約数の個数: 40

約数和(自身を含む): 55121472

約数和(自身を除く): 34181808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8231, 16462, 24693, 32924, 49386, 65848, 98772, 131696, 197544, 395088, 436243, 872486, 1308729, 1744972, 2617458, 3489944, 5234916, 6979888, 10469832, 20939664]

約数ペア:

[(1, 20939664), (2, 10469832), (3, 6979888), (4, 5234916), (6, 3489944), (8, 2617458), (12, 1744972), (16, 1308729), (24, 872486), (48, 436243), (53, 395088), (106, 197544), (159, 131696), (212, 98772), (318, 65848), (424, 49386), (636, 32924), (848, 24693), (1272, 16462), (2544, 8231)]