20453700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2351}}^1$

素因数の和:2397

約数の個数: 72

約数和(自身を含む): 61246080

約数和(自身を除く): 40792380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 145, 150, 174, 290, 300, 348, 435, 580, 725, 870, 1450, 1740, 2175, 2351, 2900, 4350, 4702, 7053, 8700, 9404, 11755, 14106, 23510, 28212, 35265, 47020, 58775, 68179, 70530, 117550, 136358, 141060, 176325, 204537, 235100, 272716, 340895, 352650, 409074, 681790, 705300, 818148, 1022685, 1363580, 1704475, 2045370, 3408950, 4090740, 5113425, 6817900, 10226850, 20453700]

約数ペア:

[(1, 20453700), (2, 10226850), (3, 6817900), (4, 5113425), (5, 4090740), (6, 3408950), (10, 2045370), (12, 1704475), (15, 1363580), (20, 1022685), (25, 818148), (29, 705300), (30, 681790), (50, 409074), (58, 352650), (60, 340895), (75, 272716), (87, 235100), (100, 204537), (116, 176325), (145, 141060), (150, 136358), (174, 117550), (290, 70530), (300, 68179), (348, 58775), (435, 47020), (580, 35265), (725, 28212), (870, 23510), (1450, 14106), (1740, 11755), (2175, 9404), (2351, 8700), (2900, 7053), (4350, 4702)]