20747184

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 56377344

約数和(自身を除く): 35630160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 73, 93, 124, 146, 186, 191, 219, 248, 292, 372, 382, 438, 496, 573, 584, 744, 764, 876, 1146, 1168, 1488, 1528, 1752, 2263, 2292, 3056, 3504, 4526, 4584, 5921, 6789, 9052, 9168, 11842, 13578, 13943, 17763, 18104, 23684, 27156, 27886, 35526, 36208, 41829, 47368, 54312, 55772, 71052, 83658, 94736, 108624, 111544, 142104, 167316, 223088, 284208, 334632, 432233, 669264, 864466, 1296699, 1728932, 2593398, 3457864, 5186796, 6915728, 10373592, 20747184]

約数ペア:

[(1, 20747184), (2, 10373592), (3, 6915728), (4, 5186796), (6, 3457864), (8, 2593398), (12, 1728932), (16, 1296699), (24, 864466), (31, 669264), (48, 432233), (62, 334632), (73, 284208), (93, 223088), (124, 167316), (146, 142104), (186, 111544), (191, 108624), (219, 94736), (248, 83658), (292, 71052), (372, 55772), (382, 54312), (438, 47368), (496, 41829), (573, 36208), (584, 35526), (744, 27886), (764, 27156), (876, 23684), (1146, 18104), (1168, 17763), (1488, 13943), (1528, 13578), (1752, 11842), (2263, 9168), (2292, 9052), (3056, 6789), (3504, 5921), (4526, 4584)]