20922900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 40323180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 97, 100, 150, 194, 291, 300, 388, 485, 582, 719, 970, 1164, 1438, 1455, 1940, 2157, 2425, 2876, 2910, 3595, 4314, 4850, 5820, 7190, 7275, 8628, 9700, 10785, 14380, 14550, 17975, 21570, 29100, 35950, 43140, 53925, 69743, 71900, 107850, 139486, 209229, 215700, 278972, 348715, 418458, 697430, 836916, 1046145, 1394860, 1743575, 2092290, 3487150, 4184580, 5230725, 6974300, 10461450, 20922900]

約数ペア:

[(1, 20922900), (2, 10461450), (3, 6974300), (4, 5230725), (5, 4184580), (6, 3487150), (10, 2092290), (12, 1743575), (15, 1394860), (20, 1046145), (25, 836916), (30, 697430), (50, 418458), (60, 348715), (75, 278972), (97, 215700), (100, 209229), (150, 139486), (194, 107850), (291, 71900), (300, 69743), (388, 53925), (485, 43140), (582, 35950), (719, 29100), (970, 21570), (1164, 17975), (1438, 14550), (1455, 14380), (1940, 10785), (2157, 9700), (2425, 8628), (2876, 7275), (2910, 7190), (3595, 5820), (4314, 4850)]