20863944

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39676536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 43, 46, 69, 72, 86, 92, 129, 138, 172, 184, 207, 258, 276, 293, 344, 387, 414, 516, 552, 586, 774, 828, 879, 989, 1032, 1172, 1548, 1656, 1758, 1978, 2344, 2637, 2967, 3096, 3516, 3956, 5274, 5934, 6739, 7032, 7912, 8901, 10548, 11868, 12599, 13478, 17802, 20217, 21096, 23736, 25198, 26956, 35604, 37797, 40434, 50396, 53912, 60651, 71208, 75594, 80868, 100792, 113391, 121302, 151188, 161736, 226782, 242604, 289777, 302376, 453564, 485208, 579554, 869331, 907128, 1159108, 1738662, 2318216, 2607993, 3477324, 5215986, 6954648, 10431972, 20863944]

約数ペア:

[(1, 20863944), (2, 10431972), (3, 6954648), (4, 5215986), (6, 3477324), (8, 2607993), (9, 2318216), (12, 1738662), (18, 1159108), (23, 907128), (24, 869331), (36, 579554), (43, 485208), (46, 453564), (69, 302376), (72, 289777), (86, 242604), (92, 226782), (129, 161736), (138, 151188), (172, 121302), (184, 113391), (207, 100792), (258, 80868), (276, 75594), (293, 71208), (344, 60651), (387, 53912), (414, 50396), (516, 40434), (552, 37797), (586, 35604), (774, 26956), (828, 25198), (879, 23736), (989, 21096), (1032, 20217), (1172, 17802), (1548, 13478), (1656, 12599), (1758, 11868), (1978, 10548), (2344, 8901), (2637, 7912), (2967, 7032), (3096, 6739), (3516, 5934), (3956, 5274)]