20195310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30607890

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 139, 145, 167, 174, 278, 290, 334, 417, 435, 501, 695, 834, 835, 870, 1002, 1390, 1670, 2085, 2505, 4031, 4170, 4843, 5010, 8062, 9686, 12093, 14529, 20155, 23213, 24186, 24215, 29058, 40310, 46426, 48430, 60465, 69639, 72645, 116065, 120930, 139278, 145290, 232130, 348195, 673177, 696390, 1346354, 2019531, 3365885, 4039062, 6731770, 10097655, 20195310]

約数ペア:

[(1, 20195310), (2, 10097655), (3, 6731770), (5, 4039062), (6, 3365885), (10, 2019531), (15, 1346354), (29, 696390), (30, 673177), (58, 348195), (87, 232130), (139, 145290), (145, 139278), (167, 120930), (174, 116065), (278, 72645), (290, 69639), (334, 60465), (417, 48430), (435, 46426), (501, 40310), (695, 29058), (834, 24215), (835, 24186), (870, 23213), (1002, 20155), (1390, 14529), (1670, 12093), (2085, 9686), (2505, 8062), (4031, 5010), (4170, 4843)]