20783969288

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1\times {\mathrm{577}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 39975774720

約数和(自身を除く): 19191805432

約数列:

[1, 2, 4, 8, 61, 122, 223, 244, 331, 446, 488, 577, 662, 892, 1154, 1324, 1784, 2308, 2648, 4616, 13603, 20191, 27206, 35197, 40382, 54412, 70394, 73813, 80764, 108824, 128671, 140788, 147626, 161528, 190987, 257342, 281576, 295252, 381974, 514684, 590504, 763948, 1029368, 1527896, 4502593, 7848931, 9005186, 11650207, 15697862, 18010372, 23300414, 31395724, 36020744, 42590101, 46600828, 62791448, 85180202, 93201656, 170360404, 340720808, 2597996161, 5195992322, 10391984644, 20783969288]

約数ペア:

[(1, 20783969288), (2, 10391984644), (4, 5195992322), (8, 2597996161), (61, 340720808), (122, 170360404), (223, 93201656), (244, 85180202), (331, 62791448), (446, 46600828), (488, 42590101), (577, 36020744), (662, 31395724), (892, 23300414), (1154, 18010372), (1324, 15697862), (1784, 11650207), (2308, 9005186), (2648, 7848931), (4616, 4502593), (13603, 1527896), (20191, 1029368), (27206, 763948), (35197, 590504), (40382, 514684), (54412, 381974), (70394, 295252), (73813, 281576), (80764, 257342), (108824, 190987), (128671, 161528), (140788, 147626)]