20144874740

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1\times {\mathrm{11393}}^1$

素因数の和:12032

約数の個数: 48

約数和(自身を含む): 42609913920

約数和(自身を除く): 22465039180

約数列:

[1, 2, 4, 5, 10, 20, 211, 419, 422, 838, 844, 1055, 1676, 2095, 2110, 4190, 4220, 8380, 11393, 22786, 45572, 56965, 88409, 113930, 176818, 227860, 353636, 442045, 884090, 1768180, 2403923, 4773667, 4807846, 9547334, 9615692, 12019615, 19094668, 23868335, 24039230, 47736670, 48078460, 95473340, 1007243737, 2014487474, 4028974948, 5036218685, 10072437370, 20144874740]

約数ペア:

[(1, 20144874740), (2, 10072437370), (4, 5036218685), (5, 4028974948), (10, 2014487474), (20, 1007243737), (211, 95473340), (419, 48078460), (422, 47736670), (838, 24039230), (844, 23868335), (1055, 19094668), (1676, 12019615), (2095, 9615692), (2110, 9547334), (4190, 4807846), (4220, 4773667), (8380, 2403923), (11393, 1768180), (22786, 884090), (45572, 442045), (56965, 353636), (88409, 227860), (113930, 176818)]