20565952720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6947957}}^1$

素因数の和:6948007

約数の個数: 40

約数和(自身を含む): 49108167144

約数和(自身を除く): 28542214424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6947957, 13895914, 27791828, 34739785, 55583656, 69479570, 111167312, 138959140, 257074409, 277918280, 514148818, 555836560, 1028297636, 1285372045, 2056595272, 2570744090, 4113190544, 5141488180, 10282976360, 20565952720]

約数ペア:

[(1, 20565952720), (2, 10282976360), (4, 5141488180), (5, 4113190544), (8, 2570744090), (10, 2056595272), (16, 1285372045), (20, 1028297636), (37, 555836560), (40, 514148818), (74, 277918280), (80, 257074409), (148, 138959140), (185, 111167312), (296, 69479570), (370, 55583656), (592, 34739785), (740, 27791828), (1480, 13895914), (2960, 6947957)]