20888973116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{20707}}^1$

素因数の和:21050

約数の個数: 48

約数和(自身を含む): 40453160832

約数和(自身を除く): 19564187716

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 227, 404, 454, 908, 1111, 2222, 2497, 4444, 4994, 9988, 20707, 22927, 41414, 45854, 82828, 91708, 227777, 252197, 455554, 504394, 911108, 1008788, 2091407, 4182814, 4700489, 8365628, 9400978, 18801956, 23005477, 46010954, 51705379, 92021908, 103410758, 206821516, 474749389, 949498778, 1898997556, 5222243279, 10444486558, 20888973116]

約数ペア:

[(1, 20888973116), (2, 10444486558), (4, 5222243279), (11, 1898997556), (22, 949498778), (44, 474749389), (101, 206821516), (202, 103410758), (227, 92021908), (404, 51705379), (454, 46010954), (908, 23005477), (1111, 18801956), (2222, 9400978), (2497, 8365628), (4444, 4700489), (4994, 4182814), (9988, 2091407), (20707, 1008788), (22927, 911108), (41414, 504394), (45854, 455554), (82828, 252197), (91708, 227777)]