20693675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 29730240

約数和(自身を除く): 9036565

約数列:

[1, 5, 17, 23, 25, 29, 73, 85, 115, 145, 365, 391, 425, 493, 575, 667, 725, 1241, 1679, 1825, 1955, 2117, 2465, 3335, 6205, 8395, 9775, 10585, 11339, 12325, 16675, 28543, 31025, 35989, 41975, 48691, 52925, 56695, 142715, 179945, 243455, 283475, 713575, 827747, 899725, 1217275, 4138735, 20693675]

約数ペア:

[(1, 20693675), (5, 4138735), (17, 1217275), (23, 899725), (25, 827747), (29, 713575), (73, 283475), (85, 243455), (115, 179945), (145, 142715), (365, 56695), (391, 52925), (425, 48691), (493, 41975), (575, 35989), (667, 31025), (725, 28543), (1241, 16675), (1679, 12325), (1825, 11339), (1955, 10585), (2117, 9775), (2465, 8395), (3335, 6205)]