20073280

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:587

約数の個数: 56

約数和(自身を含む): 48234600

約数和(自身を除く): 28161320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 421, 596, 745, 842, 1192, 1490, 1684, 2105, 2384, 2980, 3368, 4210, 4768, 5960, 6736, 8420, 9536, 11920, 13472, 16840, 23840, 26944, 33680, 47680, 62729, 67360, 125458, 134720, 250916, 313645, 501832, 627290, 1003664, 1254580, 2007328, 2509160, 4014656, 5018320, 10036640, 20073280]

約数ペア:

[(1, 20073280), (2, 10036640), (4, 5018320), (5, 4014656), (8, 2509160), (10, 2007328), (16, 1254580), (20, 1003664), (32, 627290), (40, 501832), (64, 313645), (80, 250916), (149, 134720), (160, 125458), (298, 67360), (320, 62729), (421, 47680), (596, 33680), (745, 26944), (842, 23840), (1192, 16840), (1490, 13472), (1684, 11920), (2105, 9536), (2384, 8420), (2980, 6736), (3368, 5960), (4210, 4768)]