20216663625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1531}}^2$

素因数の和:3103

約数の個数: 48

約数和(自身を含む): 35126103168

約数和(自身を除く): 14909439543

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1531, 1725, 2875, 4593, 7655, 8625, 22965, 35213, 38275, 105639, 114825, 176065, 191375, 528195, 574125, 880325, 2343961, 2640975, 4401625, 7031883, 11719805, 13204875, 35159415, 53911103, 58599025, 161733309, 175797075, 269555515, 292995125, 808666545, 878985375, 1347777575, 4043332725, 6738887875, 20216663625]

約数ペア:

[(1, 20216663625), (3, 6738887875), (5, 4043332725), (15, 1347777575), (23, 878985375), (25, 808666545), (69, 292995125), (75, 269555515), (115, 175797075), (125, 161733309), (345, 58599025), (375, 53911103), (575, 35159415), (1531, 13204875), (1725, 11719805), (2875, 7031883), (4593, 4401625), (7655, 2640975), (8625, 2343961), (22965, 880325), (35213, 574125), (38275, 528195), (105639, 191375), (114825, 176065)]