20073680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22811}}^1$

素因数の和:22835

約数の個数: 40

約数和(自身を含む): 50916384

約数和(自身を除く): 30842704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22811, 45622, 91244, 114055, 182488, 228110, 250921, 364976, 456220, 501842, 912440, 1003684, 1254605, 1824880, 2007368, 2509210, 4014736, 5018420, 10036840, 20073680]

約数ペア:

[(1, 20073680), (2, 10036840), (4, 5018420), (5, 4014736), (8, 2509210), (10, 2007368), (11, 1824880), (16, 1254605), (20, 1003684), (22, 912440), (40, 501842), (44, 456220), (55, 364976), (80, 250921), (88, 228110), (110, 182488), (176, 114055), (220, 91244), (440, 45622), (880, 22811)]