20305896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 56179200

約数和(自身を除く): 35873304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1759, 1924, 2886, 3518, 3848, 5277, 5772, 7036, 10554, 11544, 14072, 21108, 22867, 42216, 45734, 65083, 68601, 91468, 130166, 137202, 182936, 195249, 260332, 274404, 390498, 520664, 548808, 780996, 846079, 1561992, 1692158, 2538237, 3384316, 5076474, 6768632, 10152948, 20305896]

約数ペア:

[(1, 20305896), (2, 10152948), (3, 6768632), (4, 5076474), (6, 3384316), (8, 2538237), (12, 1692158), (13, 1561992), (24, 846079), (26, 780996), (37, 548808), (39, 520664), (52, 390498), (74, 274404), (78, 260332), (104, 195249), (111, 182936), (148, 137202), (156, 130166), (222, 91468), (296, 68601), (312, 65083), (444, 45734), (481, 42216), (888, 22867), (962, 21108), (1443, 14072), (1759, 11544), (1924, 10554), (2886, 7036), (3518, 5772), (3848, 5277)]