20621760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21481}}^1$

素因数の和:21501

約数の個数: 56

約数和(自身を含む): 65477136

約数和(自身を除く): 44855376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21481, 42962, 64443, 85924, 107405, 128886, 171848, 214810, 257772, 322215, 343696, 429620, 515544, 644430, 687392, 859240, 1031088, 1288860, 1374784, 1718480, 2062176, 2577720, 3436960, 4124352, 5155440, 6873920, 10310880, 20621760]

約数ペア:

[(1, 20621760), (2, 10310880), (3, 6873920), (4, 5155440), (5, 4124352), (6, 3436960), (8, 2577720), (10, 2062176), (12, 1718480), (15, 1374784), (16, 1288860), (20, 1031088), (24, 859240), (30, 687392), (32, 644430), (40, 515544), (48, 429620), (60, 343696), (64, 322215), (80, 257772), (96, 214810), (120, 171848), (160, 128886), (192, 107405), (240, 85924), (320, 64443), (480, 42962), (960, 21481)]