20335302

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 49611744

約数和(自身を除く): 29276442

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 47, 78, 86, 94, 117, 129, 141, 234, 258, 282, 387, 423, 559, 611, 774, 846, 1118, 1222, 1677, 1833, 1849, 2021, 3354, 3666, 3698, 4042, 5031, 5499, 5547, 6063, 10062, 10998, 11094, 12126, 16641, 18189, 24037, 26273, 33282, 36378, 48074, 52546, 72111, 78819, 86903, 144222, 157638, 173806, 216333, 236457, 260709, 432666, 472914, 521418, 782127, 1129739, 1564254, 2259478, 3389217, 6778434, 10167651, 20335302]

約数ペア:

[(1, 20335302), (2, 10167651), (3, 6778434), (6, 3389217), (9, 2259478), (13, 1564254), (18, 1129739), (26, 782127), (39, 521418), (43, 472914), (47, 432666), (78, 260709), (86, 236457), (94, 216333), (117, 173806), (129, 157638), (141, 144222), (234, 86903), (258, 78819), (282, 72111), (387, 52546), (423, 48074), (559, 36378), (611, 33282), (774, 26273), (846, 24037), (1118, 18189), (1222, 16641), (1677, 12126), (1833, 11094), (1849, 10998), (2021, 10062), (3354, 6063), (3666, 5547), (3698, 5499), (4042, 5031)]