20197971796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{32941}}^1$

素因数の和:33160

約数の個数: 48

約数和(自身を含む): 38252777472

約数和(自身を除く): 18054805676

約数列:

[1, 2, 4, 17, 34, 68, 71, 127, 142, 254, 284, 508, 1207, 2159, 2414, 4318, 4828, 8636, 9017, 18034, 32941, 36068, 65882, 131764, 153289, 306578, 559997, 613156, 1119994, 2239988, 2338811, 4183507, 4677622, 8367014, 9355244, 16734028, 39759787, 71119619, 79519574, 142239238, 159039148, 284478476, 297028997, 594057994, 1188115988, 5049492949, 10098985898, 20197971796]

約数ペア:

[(1, 20197971796), (2, 10098985898), (4, 5049492949), (17, 1188115988), (34, 594057994), (68, 297028997), (71, 284478476), (127, 159039148), (142, 142239238), (254, 79519574), (284, 71119619), (508, 39759787), (1207, 16734028), (2159, 9355244), (2414, 8367014), (4318, 4677622), (4828, 4183507), (8636, 2338811), (9017, 2239988), (18034, 1119994), (32941, 613156), (36068, 559997), (65882, 306578), (131764, 153289)]