20751152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 25531600

約数列:

[1, 2, 4, 8, 16, 17, 23, 31, 34, 46, 62, 68, 92, 107, 124, 136, 184, 214, 248, 272, 368, 391, 428, 496, 527, 713, 782, 856, 1054, 1426, 1564, 1712, 1819, 2108, 2461, 2852, 3128, 3317, 3638, 4216, 4922, 5704, 6256, 6634, 7276, 8432, 9844, 11408, 12121, 13268, 14552, 19688, 24242, 26536, 29104, 39376, 41837, 48484, 53072, 56389, 76291, 83674, 96968, 112778, 152582, 167348, 193936, 225556, 305164, 334696, 451112, 610328, 669392, 902224, 1220656, 1296947, 2593894, 5187788, 10375576, 20751152]

約数ペア:

[(1, 20751152), (2, 10375576), (4, 5187788), (8, 2593894), (16, 1296947), (17, 1220656), (23, 902224), (31, 669392), (34, 610328), (46, 451112), (62, 334696), (68, 305164), (92, 225556), (107, 193936), (124, 167348), (136, 152582), (184, 112778), (214, 96968), (248, 83674), (272, 76291), (368, 56389), (391, 53072), (428, 48484), (496, 41837), (527, 39376), (713, 29104), (782, 26536), (856, 24242), (1054, 19688), (1426, 14552), (1564, 13268), (1712, 12121), (1819, 11408), (2108, 9844), (2461, 8432), (2852, 7276), (3128, 6634), (3317, 6256), (3638, 5704), (4216, 4922)]