20158032025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1\times {\mathrm{853}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 26518052736

約数和(自身を除く): 6360020711

約数列:

[1, 5, 23, 25, 73, 115, 365, 563, 575, 853, 1679, 1825, 2815, 4265, 8395, 12949, 14075, 19619, 21325, 41099, 41975, 62269, 64745, 98095, 205495, 311345, 323725, 480239, 490475, 945277, 1027475, 1432187, 1556725, 2401195, 4726385, 7160935, 11045497, 12005975, 23631925, 35057447, 35804675, 55227485, 175287235, 276137425, 806321281, 876436175, 4031606405, 20158032025]

約数ペア:

[(1, 20158032025), (5, 4031606405), (23, 876436175), (25, 806321281), (73, 276137425), (115, 175287235), (365, 55227485), (563, 35804675), (575, 35057447), (853, 23631925), (1679, 12005975), (1825, 11045497), (2815, 7160935), (4265, 4726385), (8395, 2401195), (12949, 1556725), (14075, 1432187), (19619, 1027475), (21325, 945277), (41099, 490475), (41975, 480239), (62269, 323725), (64745, 311345), (98095, 205495)]