20004512

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3343}}^1$

素因数の和:3381

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 25500640

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3343, 5984, 6686, 13372, 26744, 36773, 53488, 56831, 73546, 106976, 113662, 147092, 227324, 294184, 454648, 588368, 625141, 909296, 1176736, 1250282, 1818592, 2500564, 5001128, 10002256, 20004512]

約数ペア:

[(1, 20004512), (2, 10002256), (4, 5001128), (8, 2500564), (11, 1818592), (16, 1250282), (17, 1176736), (22, 909296), (32, 625141), (34, 588368), (44, 454648), (68, 294184), (88, 227324), (136, 147092), (176, 113662), (187, 106976), (272, 73546), (352, 56831), (374, 53488), (544, 36773), (748, 26744), (1496, 13372), (2992, 6686), (3343, 5984)]