20147088

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 56871360

約数和(自身を除く): 36724272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 83, 104, 156, 166, 208, 249, 312, 332, 389, 498, 624, 664, 778, 996, 1079, 1167, 1328, 1556, 1992, 2158, 2334, 3112, 3237, 3984, 4316, 4668, 5057, 6224, 6474, 8632, 9336, 10114, 12948, 15171, 17264, 18672, 20228, 25896, 30342, 32287, 40456, 51792, 60684, 64574, 80912, 96861, 121368, 129148, 193722, 242736, 258296, 387444, 419731, 516592, 774888, 839462, 1259193, 1549776, 1678924, 2518386, 3357848, 5036772, 6715696, 10073544, 20147088]

約数ペア:

[(1, 20147088), (2, 10073544), (3, 6715696), (4, 5036772), (6, 3357848), (8, 2518386), (12, 1678924), (13, 1549776), (16, 1259193), (24, 839462), (26, 774888), (39, 516592), (48, 419731), (52, 387444), (78, 258296), (83, 242736), (104, 193722), (156, 129148), (166, 121368), (208, 96861), (249, 80912), (312, 64574), (332, 60684), (389, 51792), (498, 40456), (624, 32287), (664, 30342), (778, 25896), (996, 20228), (1079, 18672), (1167, 17264), (1328, 15171), (1556, 12948), (1992, 10114), (2158, 9336), (2334, 8632), (3112, 6474), (3237, 6224), (3984, 5057), (4316, 4668)]