20191770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 52869960

約数和(自身を除く): 32678190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1429, 1570, 2355, 2826, 2858, 4287, 4710, 7065, 7145, 8574, 12861, 14130, 14290, 21435, 25722, 42870, 64305, 128610, 224353, 448706, 673059, 1121765, 1346118, 2019177, 2243530, 3365295, 4038354, 6730590, 10095885, 20191770]

約数ペア:

[(1, 20191770), (2, 10095885), (3, 6730590), (5, 4038354), (6, 3365295), (9, 2243530), (10, 2019177), (15, 1346118), (18, 1121765), (30, 673059), (45, 448706), (90, 224353), (157, 128610), (314, 64305), (471, 42870), (785, 25722), (942, 21435), (1413, 14290), (1429, 14130), (1570, 12861), (2355, 8574), (2826, 7145), (2858, 7065), (4287, 4710)]