20098420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59113}}^1$

素因数の和:59139

約数の個数: 24

約数和(自身を含む): 44690184

約数和(自身を除く): 24591764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59113, 118226, 236452, 295565, 591130, 1004921, 1182260, 2009842, 4019684, 5024605, 10049210, 20098420]

約数ペア:

[(1, 20098420), (2, 10049210), (4, 5024605), (5, 4019684), (10, 2009842), (17, 1182260), (20, 1004921), (34, 591130), (68, 295565), (85, 236452), (170, 118226), (340, 59113)]