20197768064

素因数分解:

$2^7\times {\mathrm{193}}^1\times {\mathrm{409}}^1\times {\mathrm{1999}}^1$

素因数の和:2615

約数の個数: 64

約数和(自身を含む): 40565400000

約数和(自身を除く): 20367631936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 193, 386, 409, 772, 818, 1544, 1636, 1999, 3088, 3272, 3998, 6176, 6544, 7996, 12352, 13088, 15992, 24704, 26176, 31984, 52352, 63968, 78937, 127936, 157874, 255872, 315748, 385807, 631496, 771614, 817591, 1262992, 1543228, 1635182, 2525984, 3086456, 3270364, 5051968, 6172912, 6540728, 10103936, 12345824, 13081456, 24691648, 26162912, 49383296, 52325824, 104651648, 157795063, 315590126, 631180252, 1262360504, 2524721008, 5049442016, 10098884032, 20197768064]

約数ペア:

[(1, 20197768064), (2, 10098884032), (4, 5049442016), (8, 2524721008), (16, 1262360504), (32, 631180252), (64, 315590126), (128, 157795063), (193, 104651648), (386, 52325824), (409, 49383296), (772, 26162912), (818, 24691648), (1544, 13081456), (1636, 12345824), (1999, 10103936), (3088, 6540728), (3272, 6172912), (3998, 5051968), (6176, 3270364), (6544, 3086456), (7996, 2525984), (12352, 1635182), (13088, 1543228), (15992, 1262992), (24704, 817591), (26176, 771614), (31984, 631496), (52352, 385807), (63968, 315748), (78937, 255872), (127936, 157874)]