20745150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35501250

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 29, 30, 38, 50, 57, 58, 75, 87, 95, 114, 145, 150, 174, 190, 251, 285, 290, 435, 475, 502, 551, 570, 725, 753, 870, 950, 1102, 1255, 1425, 1450, 1506, 1653, 2175, 2510, 2755, 2850, 3306, 3765, 4350, 4769, 5510, 6275, 7279, 7530, 8265, 9538, 12550, 13775, 14307, 14558, 16530, 18825, 21837, 23845, 27550, 28614, 36395, 37650, 41325, 43674, 47690, 71535, 72790, 82650, 109185, 119225, 138301, 143070, 181975, 218370, 238450, 276602, 357675, 363950, 414903, 545925, 691505, 715350, 829806, 1091850, 1383010, 2074515, 3457525, 4149030, 6915050, 10372575, 20745150]

約数ペア:

[(1, 20745150), (2, 10372575), (3, 6915050), (5, 4149030), (6, 3457525), (10, 2074515), (15, 1383010), (19, 1091850), (25, 829806), (29, 715350), (30, 691505), (38, 545925), (50, 414903), (57, 363950), (58, 357675), (75, 276602), (87, 238450), (95, 218370), (114, 181975), (145, 143070), (150, 138301), (174, 119225), (190, 109185), (251, 82650), (285, 72790), (290, 71535), (435, 47690), (475, 43674), (502, 41325), (551, 37650), (570, 36395), (725, 28614), (753, 27550), (870, 23845), (950, 21837), (1102, 18825), (1255, 16530), (1425, 14558), (1450, 14307), (1506, 13775), (1653, 12550), (2175, 9538), (2510, 8265), (2755, 7530), (2850, 7279), (3306, 6275), (3765, 5510), (4350, 4769)]