20800950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 52135056

約数和(自身を除く): 31334106

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 150, 202, 303, 505, 606, 1010, 1373, 1515, 2525, 2746, 3030, 4119, 5050, 6865, 7575, 8238, 13730, 15150, 20595, 34325, 41190, 68650, 102975, 138673, 205950, 277346, 416019, 693365, 832038, 1386730, 2080095, 3466825, 4160190, 6933650, 10400475, 20800950]

約数ペア:

[(1, 20800950), (2, 10400475), (3, 6933650), (5, 4160190), (6, 3466825), (10, 2080095), (15, 1386730), (25, 832038), (30, 693365), (50, 416019), (75, 277346), (101, 205950), (150, 138673), (202, 102975), (303, 68650), (505, 41190), (606, 34325), (1010, 20595), (1373, 15150), (1515, 13730), (2525, 8238), (2746, 7575), (3030, 6865), (4119, 5050)]