20189965816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{6829}}^1\times {\mathrm{21739}}^1$

素因数の和:28591

約数の個数: 32

約数和(自身を含む): 40090734000

約数和(自身を除く): 19900768184

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 6829, 13658, 21739, 27316, 43478, 54632, 86956, 116093, 173912, 232186, 369563, 464372, 739126, 928744, 1478252, 2956504, 148455631, 296911262, 593822524, 1187645048, 2523745727, 5047491454, 10094982908, 20189965816]

約数ペア:

[(1, 20189965816), (2, 10094982908), (4, 5047491454), (8, 2523745727), (17, 1187645048), (34, 593822524), (68, 296911262), (136, 148455631), (6829, 2956504), (13658, 1478252), (21739, 928744), (27316, 739126), (43478, 464372), (54632, 369563), (86956, 232186), (116093, 173912)]