20290732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 45849888

約数和(自身を除く): 25559156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 113, 121, 154, 212, 226, 242, 308, 371, 452, 484, 583, 742, 791, 847, 1166, 1243, 1484, 1582, 1694, 2332, 2486, 3164, 3388, 4081, 4972, 5989, 6413, 8162, 8701, 11978, 12826, 13673, 16324, 17402, 23956, 25652, 27346, 34804, 41923, 44891, 54692, 65879, 83846, 89782, 95711, 131758, 167692, 179564, 191422, 263516, 382844, 461153, 724669, 922306, 1449338, 1844612, 2898676, 5072683, 10145366, 20290732]

約数ペア:

[(1, 20290732), (2, 10145366), (4, 5072683), (7, 2898676), (11, 1844612), (14, 1449338), (22, 922306), (28, 724669), (44, 461153), (53, 382844), (77, 263516), (106, 191422), (113, 179564), (121, 167692), (154, 131758), (212, 95711), (226, 89782), (242, 83846), (308, 65879), (371, 54692), (452, 44891), (484, 41923), (583, 34804), (742, 27346), (791, 25652), (847, 23956), (1166, 17402), (1243, 16324), (1484, 13673), (1582, 12826), (1694, 11978), (2332, 8701), (2486, 8162), (3164, 6413), (3388, 5989), (4081, 4972)]