20533300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 47809440

約数和(自身を除く): 27276140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 101, 107, 190, 202, 214, 380, 404, 428, 475, 505, 535, 950, 1010, 1070, 1900, 1919, 2020, 2033, 2140, 2525, 2675, 3838, 4066, 5050, 5350, 7676, 8132, 9595, 10100, 10165, 10700, 10807, 19190, 20330, 21614, 38380, 40660, 43228, 47975, 50825, 54035, 95950, 101650, 108070, 191900, 203300, 205333, 216140, 270175, 410666, 540350, 821332, 1026665, 1080700, 2053330, 4106660, 5133325, 10266650, 20533300]

約数ペア:

[(1, 20533300), (2, 10266650), (4, 5133325), (5, 4106660), (10, 2053330), (19, 1080700), (20, 1026665), (25, 821332), (38, 540350), (50, 410666), (76, 270175), (95, 216140), (100, 205333), (101, 203300), (107, 191900), (190, 108070), (202, 101650), (214, 95950), (380, 54035), (404, 50825), (428, 47975), (475, 43228), (505, 40660), (535, 38380), (950, 21614), (1010, 20330), (1070, 19190), (1900, 10807), (1919, 10700), (2020, 10165), (2033, 10100), (2140, 9595), (2525, 8132), (2675, 7676), (3838, 5350), (4066, 5050)]