20123661488

素因数分解:

$2^4\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{83843}}^1$

素因数の和:86001

約数の個数: 40

約数和(自身を含む): 44580860928

約数和(自身を除く): 24457199440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2143, 4286, 8572, 15001, 17144, 30002, 34288, 60004, 83843, 120008, 167686, 240016, 335372, 586901, 670744, 1173802, 1341488, 2347604, 4695208, 9390416, 179675549, 359351098, 718702196, 1257728843, 1437404392, 2515457686, 2874808784, 5030915372, 10061830744, 20123661488]

約数ペア:

[(1, 20123661488), (2, 10061830744), (4, 5030915372), (7, 2874808784), (8, 2515457686), (14, 1437404392), (16, 1257728843), (28, 718702196), (56, 359351098), (112, 179675549), (2143, 9390416), (4286, 4695208), (8572, 2347604), (15001, 1341488), (17144, 1173802), (30002, 670744), (34288, 586901), (60004, 335372), (83843, 240016), (120008, 167686)]