20199377331

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{263023}}^1$

素因数の和:263112

約数の個数: 48

約数和(自身を含む): 35451426816

約数和(自身を除く): 15252049485

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 371, 477, 483, 1113, 1219, 1449, 3339, 3657, 8533, 10971, 25599, 76797, 263023, 789069, 1841161, 2367207, 5523483, 6049529, 13940219, 16570449, 18148587, 41820657, 42346703, 54445761, 97581533, 125461971, 127040109, 292744599, 320625037, 381120327, 878233797, 961875111, 2244375259, 2885625333, 6733125777, 20199377331]

約数ペア:

[(1, 20199377331), (3, 6733125777), (7, 2885625333), (9, 2244375259), (21, 961875111), (23, 878233797), (53, 381120327), (63, 320625037), (69, 292744599), (159, 127040109), (161, 125461971), (207, 97581533), (371, 54445761), (477, 42346703), (483, 41820657), (1113, 18148587), (1219, 16570449), (1449, 13940219), (3339, 6049529), (3657, 5523483), (8533, 2367207), (10971, 1841161), (25599, 789069), (76797, 263023)]