20178091498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1\times {\mathrm{2221}}^1$

素因数の和:3190

約数の個数: 32

約数和(自身を含む): 31748504832

約数和(自身を除く): 11570413334

約数列:

[1, 2, 23, 46, 313, 626, 631, 1262, 2221, 4442, 7199, 14398, 14513, 29026, 51083, 102166, 197503, 395006, 695173, 1390346, 1401451, 2802902, 4542569, 9085138, 15988979, 31977958, 32233373, 64466746, 438654163, 877308326, 10089045749, 20178091498]

約数ペア:

[(1, 20178091498), (2, 10089045749), (23, 877308326), (46, 438654163), (313, 64466746), (626, 32233373), (631, 31977958), (1262, 15988979), (2221, 9085138), (4442, 4542569), (7199, 2802902), (14398, 1401451), (14513, 1390346), (29026, 695173), (51083, 395006), (102166, 197503)]