20163984867

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{24659}}^1$

素因数の和:24948

約数の個数: 48

約数和(自身を含む): 32583751200

約数和(自身を除く): 12419766333

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 241, 261, 377, 723, 1131, 2169, 3133, 3393, 6989, 9399, 20967, 24659, 28197, 62901, 73977, 90857, 221931, 272571, 320567, 715111, 817713, 961701, 2145333, 2885103, 5942819, 6435999, 9296443, 17828457, 27889329, 53485371, 77256647, 83667987, 172341751, 231769941, 517025253, 695309823, 1551075759, 2240442763, 6721328289, 20163984867]

約数ペア:

[(1, 20163984867), (3, 6721328289), (9, 2240442763), (13, 1551075759), (29, 695309823), (39, 517025253), (87, 231769941), (117, 172341751), (241, 83667987), (261, 77256647), (377, 53485371), (723, 27889329), (1131, 17828457), (2169, 9296443), (3133, 6435999), (3393, 5942819), (6989, 2885103), (9399, 2145333), (20967, 961701), (24659, 817713), (28197, 715111), (62901, 320567), (73977, 272571), (90857, 221931)]