20723616

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1531}}^1$

素因数の和:1594

約数の個数: 72

約数和(自身を含む): 60225984

約数和(自身を除く): 39502368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1504, 1531, 1692, 2256, 3062, 3384, 4512, 4593, 6124, 6768, 9186, 12248, 13536, 13779, 18372, 24496, 27558, 36744, 48992, 55116, 71957, 73488, 110232, 143914, 146976, 215871, 220464, 287828, 431742, 440928, 575656, 647613, 863484, 1151312, 1295226, 1726968, 2302624, 2590452, 3453936, 5180904, 6907872, 10361808, 20723616]

約数ペア:

[(1, 20723616), (2, 10361808), (3, 6907872), (4, 5180904), (6, 3453936), (8, 2590452), (9, 2302624), (12, 1726968), (16, 1295226), (18, 1151312), (24, 863484), (32, 647613), (36, 575656), (47, 440928), (48, 431742), (72, 287828), (94, 220464), (96, 215871), (141, 146976), (144, 143914), (188, 110232), (282, 73488), (288, 71957), (376, 55116), (423, 48992), (564, 36744), (752, 27558), (846, 24496), (1128, 18372), (1504, 13779), (1531, 13536), (1692, 12248), (2256, 9186), (3062, 6768), (3384, 6124), (4512, 4593)]