20403721820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{941}}^1\times {\mathrm{47137}}^1$

素因数の和:48110

約数の個数: 48

約数和(自身を含む): 44759227968

約数和(自身を除く): 24355506148

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 941, 1882, 3764, 4705, 9410, 18820, 21643, 43286, 47137, 86572, 94274, 108215, 188548, 216430, 235685, 432860, 471370, 942740, 1084151, 2168302, 4336604, 5420755, 10841510, 21683020, 44355917, 88711834, 177423668, 221779585, 443559170, 887118340, 1020186091, 2040372182, 4080744364, 5100930455, 10201860910, 20403721820]

約数ペア:

[(1, 20403721820), (2, 10201860910), (4, 5100930455), (5, 4080744364), (10, 2040372182), (20, 1020186091), (23, 887118340), (46, 443559170), (92, 221779585), (115, 177423668), (230, 88711834), (460, 44355917), (941, 21683020), (1882, 10841510), (3764, 5420755), (4705, 4336604), (9410, 2168302), (18820, 1084151), (21643, 942740), (43286, 471370), (47137, 432860), (86572, 235685), (94274, 216430), (108215, 188548)]