20985454740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{18617}}^1\times {\mathrm{18787}}^1$

素因数の和:37416

約数の個数: 48

約数和(自身を含む): 58765557312

約数和(自身を除く): 37780102572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 18617, 18787, 37234, 37574, 55851, 56361, 74468, 75148, 93085, 93935, 111702, 112722, 186170, 187870, 223404, 225444, 279255, 281805, 372340, 375740, 558510, 563610, 1117020, 1127220, 349757579, 699515158, 1049272737, 1399030316, 1748787895, 2098545474, 3497575790, 4197090948, 5246363685, 6995151580, 10492727370, 20985454740]

約数ペア:

[(1, 20985454740), (2, 10492727370), (3, 6995151580), (4, 5246363685), (5, 4197090948), (6, 3497575790), (10, 2098545474), (12, 1748787895), (15, 1399030316), (20, 1049272737), (30, 699515158), (60, 349757579), (18617, 1127220), (18787, 1117020), (37234, 563610), (37574, 558510), (55851, 375740), (56361, 372340), (74468, 281805), (75148, 279255), (93085, 225444), (93935, 223404), (111702, 187870), (112722, 186170)]