20053099075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{419}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 25985836800

約数和(自身を除く): 5932737725

約数列:

[1, 5, 25, 29, 145, 251, 263, 419, 725, 1255, 1315, 2095, 6275, 6575, 7279, 7627, 10475, 12151, 36395, 38135, 60755, 66013, 105169, 110197, 181975, 190675, 303775, 330065, 525845, 550985, 1650325, 1914377, 2629225, 2754925, 3049901, 3195713, 9571885, 15249505, 15978565, 27659447, 47859425, 76247525, 79892825, 138297235, 691486175, 802123963, 4010619815, 20053099075]

約数ペア:

[(1, 20053099075), (5, 4010619815), (25, 802123963), (29, 691486175), (145, 138297235), (251, 79892825), (263, 76247525), (419, 47859425), (725, 27659447), (1255, 15978565), (1315, 15249505), (2095, 9571885), (6275, 3195713), (6575, 3049901), (7279, 2754925), (7627, 2629225), (10475, 1914377), (12151, 1650325), (36395, 550985), (38135, 525845), (60755, 330065), (66013, 303775), (105169, 190675), (110197, 181975)]