20163650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 41080704

約数和(自身を除く): 20917054

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 463, 650, 670, 871, 926, 1675, 1742, 2315, 3350, 4355, 4630, 6019, 8710, 11575, 12038, 21775, 23150, 30095, 31021, 43550, 60190, 62042, 150475, 155105, 300950, 310210, 403273, 775525, 806546, 1551050, 2016365, 4032730, 10081825, 20163650]

約数ペア:

[(1, 20163650), (2, 10081825), (5, 4032730), (10, 2016365), (13, 1551050), (25, 806546), (26, 775525), (50, 403273), (65, 310210), (67, 300950), (130, 155105), (134, 150475), (325, 62042), (335, 60190), (463, 43550), (650, 31021), (670, 30095), (871, 23150), (926, 21775), (1675, 12038), (1742, 11575), (2315, 8710), (3350, 6019), (4355, 4630)]