20007985060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{167543}}^1$

素因数の和:168412

約数の個数: 48

約数和(自身を含む): 48075745536

約数和(自身を除く): 28067760476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 853, 1706, 3412, 4265, 5971, 8530, 11942, 17060, 23884, 29855, 59710, 119420, 167543, 335086, 670172, 837715, 1172801, 1675430, 2345602, 3350860, 4691204, 5864005, 11728010, 23456020, 142914179, 285828358, 571656716, 714570895, 1000399253, 1429141790, 2000798506, 2858283580, 4001597012, 5001996265, 10003992530, 20007985060]

約数ペア:

[(1, 20007985060), (2, 10003992530), (4, 5001996265), (5, 4001597012), (7, 2858283580), (10, 2000798506), (14, 1429141790), (20, 1000399253), (28, 714570895), (35, 571656716), (70, 285828358), (140, 142914179), (853, 23456020), (1706, 11728010), (3412, 5864005), (4265, 4691204), (5971, 3350860), (8530, 2345602), (11942, 1675430), (17060, 1172801), (23884, 837715), (29855, 670172), (59710, 335086), (119420, 167543)]