20210267510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{321359}}^1$

素因数の和:321716

約数の個数: 32

約数和(自身を含む): 38408947200

約数和(自身を除く): 18198679690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 331, 662, 1655, 3310, 6289, 12578, 31445, 62890, 321359, 642718, 1606795, 3213590, 6105821, 12211642, 30529105, 61058210, 106369829, 212739658, 531849145, 1063698290, 2021026751, 4042053502, 10105133755, 20210267510]

約数ペア:

[(1, 20210267510), (2, 10105133755), (5, 4042053502), (10, 2021026751), (19, 1063698290), (38, 531849145), (95, 212739658), (190, 106369829), (331, 61058210), (662, 30529105), (1655, 12211642), (3310, 6105821), (6289, 3213590), (12578, 1606795), (31445, 642718), (62890, 321359)]