20606313

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 14786583

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 263, 273, 287, 533, 637, 789, 861, 1599, 1841, 1911, 2009, 3419, 3731, 5523, 6027, 10257, 10783, 11193, 12887, 23933, 26117, 32349, 38661, 71799, 75481, 78351, 140179, 167531, 226443, 420537, 502593, 528367, 981253, 1585101, 2943759, 6868771, 20606313]

約数ペア:

[(1, 20606313), (3, 6868771), (7, 2943759), (13, 1585101), (21, 981253), (39, 528367), (41, 502593), (49, 420537), (91, 226443), (123, 167531), (147, 140179), (263, 78351), (273, 75481), (287, 71799), (533, 38661), (637, 32349), (789, 26117), (861, 23933), (1599, 12887), (1841, 11193), (1911, 10783), (2009, 10257), (3419, 6027), (3731, 5523)]