20804563160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11066257}}^1$

素因数の和:11066315

約数の個数: 32

約数和(自身を含む): 47806234560

約数和(自身を除く): 27001671400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 11066257, 22132514, 44265028, 55331285, 88530056, 110662570, 221325140, 442650280, 520114079, 1040228158, 2080456316, 2600570395, 4160912632, 5201140790, 10402281580, 20804563160]

約数ペア:

[(1, 20804563160), (2, 10402281580), (4, 5201140790), (5, 4160912632), (8, 2600570395), (10, 2080456316), (20, 1040228158), (40, 520114079), (47, 442650280), (94, 221325140), (188, 110662570), (235, 88530056), (376, 55331285), (470, 44265028), (940, 22132514), (1880, 11066257)]