20187565528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{457}}^1\times {\mathrm{1579}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 41030388000

約数和(自身を除く): 20842822472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 457, 538, 914, 1076, 1579, 1828, 2152, 3158, 3497, 3656, 5941, 6316, 6994, 11882, 12632, 13988, 20527, 23764, 27976, 41054, 47528, 82108, 122933, 164216, 245866, 424751, 491732, 721603, 849502, 983464, 1443206, 1598129, 1699004, 2886412, 3196258, 3398008, 5521763, 5772824, 6392516, 9380839, 11043526, 12785032, 18761678, 22087052, 37523356, 44174104, 75046712, 194111207, 388222414, 776444828, 1552889656, 2523445691, 5046891382, 10093782764, 20187565528]

約数ペア:

[(1, 20187565528), (2, 10093782764), (4, 5046891382), (8, 2523445691), (13, 1552889656), (26, 776444828), (52, 388222414), (104, 194111207), (269, 75046712), (457, 44174104), (538, 37523356), (914, 22087052), (1076, 18761678), (1579, 12785032), (1828, 11043526), (2152, 9380839), (3158, 6392516), (3497, 5772824), (3656, 5521763), (5941, 3398008), (6316, 3196258), (6994, 2886412), (11882, 1699004), (12632, 1598129), (13988, 1443206), (20527, 983464), (23764, 849502), (27976, 721603), (41054, 491732), (47528, 424751), (82108, 245866), (122933, 164216)]