20897850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 52282368

約数和(自身を除く): 31384518

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 127, 150, 254, 381, 635, 762, 1097, 1270, 1905, 2194, 3175, 3291, 3810, 5485, 6350, 6582, 9525, 10970, 16455, 19050, 27425, 32910, 54850, 82275, 139319, 164550, 278638, 417957, 696595, 835914, 1393190, 2089785, 3482975, 4179570, 6965950, 10448925, 20897850]

約数ペア:

[(1, 20897850), (2, 10448925), (3, 6965950), (5, 4179570), (6, 3482975), (10, 2089785), (15, 1393190), (25, 835914), (30, 696595), (50, 417957), (75, 278638), (127, 164550), (150, 139319), (254, 82275), (381, 54850), (635, 32910), (762, 27425), (1097, 19050), (1270, 16455), (1905, 10970), (2194, 9525), (3175, 6582), (3291, 6350), (3810, 5485)]