20498842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20143718

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 59, 83, 91, 118, 161, 166, 182, 299, 322, 413, 581, 598, 767, 826, 1079, 1162, 1357, 1534, 1909, 2093, 2158, 2714, 3818, 4186, 4897, 5369, 7553, 9499, 9794, 10738, 13363, 15106, 17641, 18998, 24817, 26726, 34279, 35282, 49634, 63661, 68558, 112631, 123487, 127322, 173719, 225262, 246974, 347438, 445627, 788417, 891254, 1464203, 1576834, 2928406, 10249421, 20498842]

約数ペア:

[(1, 20498842), (2, 10249421), (7, 2928406), (13, 1576834), (14, 1464203), (23, 891254), (26, 788417), (46, 445627), (59, 347438), (83, 246974), (91, 225262), (118, 173719), (161, 127322), (166, 123487), (182, 112631), (299, 68558), (322, 63661), (413, 49634), (581, 35282), (598, 34279), (767, 26726), (826, 24817), (1079, 18998), (1162, 17641), (1357, 15106), (1534, 13363), (1909, 10738), (2093, 9794), (2158, 9499), (2714, 7553), (3818, 5369), (4186, 4897)]