20066720

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{751}}^1$

素因数の和:933

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 27688288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 751, 835, 1336, 1502, 1670, 2672, 3004, 3340, 3755, 5344, 6008, 6680, 7510, 12016, 13360, 15020, 24032, 26720, 30040, 60080, 120160, 125417, 250834, 501668, 627085, 1003336, 1254170, 2006672, 2508340, 4013344, 5016680, 10033360, 20066720]

約数ペア:

[(1, 20066720), (2, 10033360), (4, 5016680), (5, 4013344), (8, 2508340), (10, 2006672), (16, 1254170), (20, 1003336), (32, 627085), (40, 501668), (80, 250834), (160, 125417), (167, 120160), (334, 60080), (668, 30040), (751, 26720), (835, 24032), (1336, 15020), (1502, 13360), (1670, 12016), (2672, 7510), (3004, 6680), (3340, 6008), (3755, 5344)]