20333070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 53239680

約数和(自身を除く): 32906610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1439, 1570, 2355, 2826, 2878, 4317, 4710, 7065, 7195, 8634, 12951, 14130, 14390, 21585, 25902, 43170, 64755, 129510, 225923, 451846, 677769, 1129615, 1355538, 2033307, 2259230, 3388845, 4066614, 6777690, 10166535, 20333070]

約数ペア:

[(1, 20333070), (2, 10166535), (3, 6777690), (5, 4066614), (6, 3388845), (9, 2259230), (10, 2033307), (15, 1355538), (18, 1129615), (30, 677769), (45, 451846), (90, 225923), (157, 129510), (314, 64755), (471, 43170), (785, 25902), (942, 21585), (1413, 14390), (1439, 14130), (1570, 12951), (2355, 8634), (2826, 7195), (2878, 7065), (4317, 4710)]