20901130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 39149568

約数和(自身を除く): 18248438

約数列:

[1, 2, 5, 10, 31, 62, 155, 191, 310, 353, 382, 706, 955, 1765, 1910, 3530, 5921, 10943, 11842, 21886, 29605, 54715, 59210, 67423, 109430, 134846, 337115, 674230, 2090113, 4180226, 10450565, 20901130]

約数ペア:

[(1, 20901130), (2, 10450565), (5, 4180226), (10, 2090113), (31, 674230), (62, 337115), (155, 134846), (191, 109430), (310, 67423), (353, 59210), (382, 54715), (706, 29605), (955, 21886), (1765, 11842), (1910, 10943), (3530, 5921)]