20598938616

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{636241}}^1$

素因数の和:636340

約数の個数: 64

約数和(自身を含む): 54971308800

約数和(自身を除く): 34372370184

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 71, 76, 114, 142, 152, 213, 228, 284, 426, 456, 568, 852, 1349, 1704, 2698, 4047, 5396, 8094, 10792, 16188, 32376, 636241, 1272482, 1908723, 2544964, 3817446, 5089928, 7634892, 12088579, 15269784, 24177158, 36265737, 45173111, 48354316, 72531474, 90346222, 96708632, 135519333, 145062948, 180692444, 271038666, 290125896, 361384888, 542077332, 858289109, 1084154664, 1716578218, 2574867327, 3433156436, 5149734654, 6866312872, 10299469308, 20598938616]

約数ペア:

[(1, 20598938616), (2, 10299469308), (3, 6866312872), (4, 5149734654), (6, 3433156436), (8, 2574867327), (12, 1716578218), (19, 1084154664), (24, 858289109), (38, 542077332), (57, 361384888), (71, 290125896), (76, 271038666), (114, 180692444), (142, 145062948), (152, 135519333), (213, 96708632), (228, 90346222), (284, 72531474), (426, 48354316), (456, 45173111), (568, 36265737), (852, 24177158), (1349, 15269784), (1704, 12088579), (2698, 7634892), (4047, 5089928), (5396, 3817446), (8094, 2544964), (10792, 1908723), (16188, 1272482), (32376, 636241)]