20347130900

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{4211}}^1$

素因数の和:4665

約数の個数: 72

約数和(自身を含む): 44566835040

約数和(自身を除く): 24219704140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 229, 422, 458, 844, 916, 1055, 1145, 2110, 2290, 4211, 4220, 4580, 5275, 5725, 8422, 10550, 11450, 16844, 21055, 21100, 22900, 42110, 48319, 84220, 96638, 105275, 193276, 210550, 241595, 421100, 483190, 888521, 964319, 966380, 1207975, 1777042, 1928638, 2415950, 3554084, 3857276, 4442605, 4821595, 4831900, 8885210, 9643190, 17770420, 19286380, 22213025, 24107975, 44426050, 48215950, 88852100, 96431900, 203471309, 406942618, 813885236, 1017356545, 2034713090, 4069426180, 5086782725, 10173565450, 20347130900]

約数ペア:

[(1, 20347130900), (2, 10173565450), (4, 5086782725), (5, 4069426180), (10, 2034713090), (20, 1017356545), (25, 813885236), (50, 406942618), (100, 203471309), (211, 96431900), (229, 88852100), (422, 48215950), (458, 44426050), (844, 24107975), (916, 22213025), (1055, 19286380), (1145, 17770420), (2110, 9643190), (2290, 8885210), (4211, 4831900), (4220, 4821595), (4580, 4442605), (5275, 3857276), (5725, 3554084), (8422, 2415950), (10550, 1928638), (11450, 1777042), (16844, 1207975), (21055, 966380), (21100, 964319), (22900, 888521), (42110, 483190), (48319, 421100), (84220, 241595), (96638, 210550), (105275, 193276)]