20135021403

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{2939}}^1$

素因数の和:3172

約数の個数: 64

約数和(自身を含む): 32164070400

約数和(自身を除く): 12029048997

約数列:

[1, 3, 7, 21, 41, 73, 109, 123, 219, 287, 327, 511, 763, 861, 1533, 2289, 2939, 2993, 4469, 7957, 8817, 8979, 13407, 20573, 20951, 23871, 31283, 55699, 61719, 62853, 93849, 120499, 167097, 214547, 320351, 326237, 361497, 643641, 843493, 961053, 978711, 1501829, 2242457, 2283659, 2530479, 4505487, 6727371, 6850977, 8796427, 13134391, 23385623, 26389281, 39403173, 61574989, 70156869, 91940737, 163699361, 184724967, 275822211, 491098083, 958810543, 2876431629, 6711673801, 20135021403]

約数ペア:

[(1, 20135021403), (3, 6711673801), (7, 2876431629), (21, 958810543), (41, 491098083), (73, 275822211), (109, 184724967), (123, 163699361), (219, 91940737), (287, 70156869), (327, 61574989), (511, 39403173), (763, 26389281), (861, 23385623), (1533, 13134391), (2289, 8796427), (2939, 6850977), (2993, 6727371), (4469, 4505487), (7957, 2530479), (8817, 2283659), (8979, 2242457), (13407, 1501829), (20573, 978711), (20951, 961053), (23871, 843493), (31283, 643641), (55699, 361497), (61719, 326237), (62853, 320351), (93849, 214547), (120499, 167097)]