20396688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32687}}^1$

素因数の和:32711

約数の個数: 40

約数和(自身を含む): 56746368

約数和(自身を除く): 36349680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32687, 65374, 98061, 130748, 196122, 261496, 392244, 424931, 522992, 784488, 849862, 1274793, 1568976, 1699724, 2549586, 3399448, 5099172, 6798896, 10198344, 20396688]

約数ペア:

[(1, 20396688), (2, 10198344), (3, 6798896), (4, 5099172), (6, 3399448), (8, 2549586), (12, 1699724), (13, 1568976), (16, 1274793), (24, 849862), (26, 784488), (39, 522992), (48, 424931), (52, 392244), (78, 261496), (104, 196122), (156, 130748), (208, 98061), (312, 65374), (624, 32687)]