20993200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1742

約数の個数: 60

約数和(自身を含む): 52093888

約数和(自身を除く): 31100688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1693, 2480, 3100, 3386, 6200, 6772, 8465, 12400, 13544, 16930, 27088, 33860, 42325, 52483, 67720, 84650, 104966, 135440, 169300, 209932, 262415, 338600, 419864, 524830, 677200, 839728, 1049660, 1312075, 2099320, 2624150, 4198640, 5248300, 10496600, 20993200]

約数ペア:

[(1, 20993200), (2, 10496600), (4, 5248300), (5, 4198640), (8, 2624150), (10, 2099320), (16, 1312075), (20, 1049660), (25, 839728), (31, 677200), (40, 524830), (50, 419864), (62, 338600), (80, 262415), (100, 209932), (124, 169300), (155, 135440), (200, 104966), (248, 84650), (310, 67720), (400, 52483), (496, 42325), (620, 33860), (775, 27088), (1240, 16930), (1550, 13544), (1693, 12400), (2480, 8465), (3100, 6772), (3386, 6200)]