20457408

素因数分解:

$2^6\times 3^1\times {\mathrm{47}}^1\times {\mathrm{2267}}^1$

素因数の和:2329

約数の個数: 56

約数和(自身を含む): 55302912

約数和(自身を除く): 34845504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 141, 188, 192, 282, 376, 564, 752, 1128, 1504, 2256, 2267, 3008, 4512, 4534, 6801, 9024, 9068, 13602, 18136, 27204, 36272, 54408, 72544, 106549, 108816, 145088, 213098, 217632, 319647, 426196, 435264, 639294, 852392, 1278588, 1704784, 2557176, 3409568, 5114352, 6819136, 10228704, 20457408]

約数ペア:

[(1, 20457408), (2, 10228704), (3, 6819136), (4, 5114352), (6, 3409568), (8, 2557176), (12, 1704784), (16, 1278588), (24, 852392), (32, 639294), (47, 435264), (48, 426196), (64, 319647), (94, 217632), (96, 213098), (141, 145088), (188, 108816), (192, 106549), (282, 72544), (376, 54408), (564, 36272), (752, 27204), (1128, 18136), (1504, 13602), (2256, 9068), (2267, 9024), (3008, 6801), (4512, 4534)]