20078568

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7537}}^1$

素因数の和:7586

約数の個数: 48

約数和(自身を含む): 55856580

約数和(自身を除く): 35778012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7537, 15074, 22611, 30148, 45222, 60296, 67833, 90444, 135666, 180888, 271332, 278869, 542664, 557738, 836607, 1115476, 1673214, 2230952, 2509821, 3346428, 5019642, 6692856, 10039284, 20078568]

約数ペア:

[(1, 20078568), (2, 10039284), (3, 6692856), (4, 5019642), (6, 3346428), (8, 2509821), (9, 2230952), (12, 1673214), (18, 1115476), (24, 836607), (36, 557738), (37, 542664), (72, 278869), (74, 271332), (111, 180888), (148, 135666), (222, 90444), (296, 67833), (333, 60296), (444, 45222), (666, 30148), (888, 22611), (1332, 15074), (2664, 7537)]