20261792

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 41607720

約数和(自身を除く): 21345928

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 109, 148, 157, 218, 296, 314, 436, 592, 628, 872, 1184, 1256, 1744, 2512, 3488, 4033, 5024, 5809, 8066, 11618, 16132, 17113, 23236, 32264, 34226, 46472, 64528, 68452, 92944, 129056, 136904, 185888, 273808, 547616, 633181, 1266362, 2532724, 5065448, 10130896, 20261792]

約数ペア:

[(1, 20261792), (2, 10130896), (4, 5065448), (8, 2532724), (16, 1266362), (32, 633181), (37, 547616), (74, 273808), (109, 185888), (148, 136904), (157, 129056), (218, 92944), (296, 68452), (314, 64528), (436, 46472), (592, 34226), (628, 32264), (872, 23236), (1184, 17113), (1256, 16132), (1744, 11618), (2512, 8066), (3488, 5809), (4033, 5024)]