20857589160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173813243}}^1$

素因数の和:173813257

約数の個数: 32

約数和(自身を含む): 62572767840

約数和(自身を除く): 41715178680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173813243, 347626486, 521439729, 695252972, 869066215, 1042879458, 1390505944, 1738132430, 2085758916, 2607198645, 3476264860, 4171517832, 5214397290, 6952529720, 10428794580, 20857589160]

約数ペア:

[(1, 20857589160), (2, 10428794580), (3, 6952529720), (4, 5214397290), (5, 4171517832), (6, 3476264860), (8, 2607198645), (10, 2085758916), (12, 1738132430), (15, 1390505944), (20, 1042879458), (24, 869066215), (30, 695252972), (40, 521439729), (60, 347626486), (120, 173813243)]