20187264454

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1\times {\mathrm{977}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 35994969216

約数和(自身を除く): 15807704762

約数列:

[1, 2, 7, 14, 37, 74, 113, 226, 259, 353, 518, 706, 791, 977, 1582, 1954, 2471, 4181, 4942, 6839, 8362, 13061, 13678, 26122, 29267, 36149, 39889, 58534, 72298, 79778, 91427, 110401, 182854, 220802, 253043, 279223, 344881, 506086, 558446, 689762, 772807, 1475893, 1545614, 2414167, 2951786, 4084837, 4828334, 8169674, 10331251, 12760597, 20662502, 25521194, 28593859, 38971553, 57187718, 77943106, 89324179, 178648358, 272800871, 545601742, 1441947461, 2883894922, 10093632227, 20187264454]

約数ペア:

[(1, 20187264454), (2, 10093632227), (7, 2883894922), (14, 1441947461), (37, 545601742), (74, 272800871), (113, 178648358), (226, 89324179), (259, 77943106), (353, 57187718), (518, 38971553), (706, 28593859), (791, 25521194), (977, 20662502), (1582, 12760597), (1954, 10331251), (2471, 8169674), (4181, 4828334), (4942, 4084837), (6839, 2951786), (8362, 2414167), (13061, 1545614), (13678, 1475893), (26122, 772807), (29267, 689762), (36149, 558446), (39889, 506086), (58534, 344881), (72298, 279223), (79778, 253043), (91427, 220802), (110401, 182854)]