20783774300

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{985013}}^1$

素因数の和:985238

約数の個数: 36

約数和(自身を含む): 45314584056

約数和(自身を除く): 24530809756

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 4220, 5275, 10550, 21100, 985013, 1970026, 3940052, 4925065, 9850130, 19700260, 24625325, 49250650, 98501300, 207837743, 415675486, 831350972, 1039188715, 2078377430, 4156754860, 5195943575, 10391887150, 20783774300]

約数ペア:

[(1, 20783774300), (2, 10391887150), (4, 5195943575), (5, 4156754860), (10, 2078377430), (20, 1039188715), (25, 831350972), (50, 415675486), (100, 207837743), (211, 98501300), (422, 49250650), (844, 24625325), (1055, 19700260), (2110, 9850130), (4220, 4925065), (5275, 3940052), (10550, 1970026), (21100, 985013)]