20194295608

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 39021563520

約数和(自身を除く): 18827267912

約数列:

[1, 2, 4, 8, 47, 94, 188, 193, 376, 386, 421, 661, 772, 842, 1322, 1544, 1684, 2644, 3368, 5288, 9071, 18142, 19787, 31067, 36284, 39574, 62134, 72568, 79148, 81253, 124268, 127573, 158296, 162506, 248536, 255146, 278281, 325012, 510292, 556562, 650024, 1020584, 1113124, 2226248, 3818891, 5995931, 7637782, 11991862, 13079207, 15275564, 23983724, 26158414, 30551128, 47967448, 52316828, 53708233, 104633656, 107416466, 214832932, 429665864, 2524286951, 5048573902, 10097147804, 20194295608]

約数ペア:

[(1, 20194295608), (2, 10097147804), (4, 5048573902), (8, 2524286951), (47, 429665864), (94, 214832932), (188, 107416466), (193, 104633656), (376, 53708233), (386, 52316828), (421, 47967448), (661, 30551128), (772, 26158414), (842, 23983724), (1322, 15275564), (1544, 13079207), (1684, 11991862), (2644, 7637782), (3368, 5995931), (5288, 3818891), (9071, 2226248), (18142, 1113124), (19787, 1020584), (31067, 650024), (36284, 556562), (39574, 510292), (62134, 325012), (72568, 278281), (79148, 255146), (81253, 248536), (124268, 162506), (127573, 158296)]