20618832

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 57996288

約数和(自身を除く): 37377456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 173, 191, 208, 312, 346, 382, 519, 573, 624, 692, 764, 1038, 1146, 1384, 1528, 2076, 2249, 2292, 2483, 2768, 3056, 4152, 4498, 4584, 4966, 6747, 7449, 8304, 8996, 9168, 9932, 13494, 14898, 17992, 19864, 26988, 29796, 33043, 35984, 39728, 53976, 59592, 66086, 99129, 107952, 119184, 132172, 198258, 264344, 396516, 429559, 528688, 793032, 859118, 1288677, 1586064, 1718236, 2577354, 3436472, 5154708, 6872944, 10309416, 20618832]

約数ペア:

[(1, 20618832), (2, 10309416), (3, 6872944), (4, 5154708), (6, 3436472), (8, 2577354), (12, 1718236), (13, 1586064), (16, 1288677), (24, 859118), (26, 793032), (39, 528688), (48, 429559), (52, 396516), (78, 264344), (104, 198258), (156, 132172), (173, 119184), (191, 107952), (208, 99129), (312, 66086), (346, 59592), (382, 53976), (519, 39728), (573, 35984), (624, 33043), (692, 29796), (764, 26988), (1038, 19864), (1146, 17992), (1384, 14898), (1528, 13494), (2076, 9932), (2249, 9168), (2292, 8996), (2483, 8304), (2768, 7449), (3056, 6747), (4152, 4966), (4498, 4584)]