20187348

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 30756972

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2393, 2812, 4218, 4786, 7179, 8436, 9572, 14358, 28716, 45467, 88541, 90934, 136401, 177082, 181868, 265623, 272802, 354164, 531246, 545604, 1062492, 1682279, 3364558, 5046837, 6729116, 10093674, 20187348]

約数ペア:

[(1, 20187348), (2, 10093674), (3, 6729116), (4, 5046837), (6, 3364558), (12, 1682279), (19, 1062492), (37, 545604), (38, 531246), (57, 354164), (74, 272802), (76, 265623), (111, 181868), (114, 177082), (148, 136401), (222, 90934), (228, 88541), (444, 45467), (703, 28716), (1406, 14358), (2109, 9572), (2393, 8436), (2812, 7179), (4218, 4786)]