20171730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 52208640

約数和(自身を除く): 32036910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 817, 823, 1290, 1634, 1646, 2451, 2469, 4085, 4115, 4902, 4938, 8170, 8230, 12255, 12345, 15637, 24510, 24690, 31274, 35389, 46911, 70778, 78185, 93822, 106167, 156370, 176945, 212334, 234555, 353890, 469110, 530835, 672391, 1061670, 1344782, 2017173, 3361955, 4034346, 6723910, 10085865, 20171730]

約数ペア:

[(1, 20171730), (2, 10085865), (3, 6723910), (5, 4034346), (6, 3361955), (10, 2017173), (15, 1344782), (19, 1061670), (30, 672391), (38, 530835), (43, 469110), (57, 353890), (86, 234555), (95, 212334), (114, 176945), (129, 156370), (190, 106167), (215, 93822), (258, 78185), (285, 70778), (430, 46911), (570, 35389), (645, 31274), (817, 24690), (823, 24510), (1290, 15637), (1634, 12345), (1646, 12255), (2451, 8230), (2469, 8170), (4085, 4938), (4115, 4902)]