20077280

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4327}}^1$

素因数の和:4371

約数の個数: 48

約数和(自身を含む): 49079520

約数和(自身を除く): 29002240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4327, 4640, 8654, 17308, 21635, 34616, 43270, 69232, 86540, 125483, 138464, 173080, 250966, 346160, 501932, 627415, 692320, 1003864, 1254830, 2007728, 2509660, 4015456, 5019320, 10038640, 20077280]

約数ペア:

[(1, 20077280), (2, 10038640), (4, 5019320), (5, 4015456), (8, 2509660), (10, 2007728), (16, 1254830), (20, 1003864), (29, 692320), (32, 627415), (40, 501932), (58, 346160), (80, 250966), (116, 173080), (145, 138464), (160, 125483), (232, 86540), (290, 69232), (464, 43270), (580, 34616), (928, 21635), (1160, 17308), (2320, 8654), (4327, 4640)]