20798010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1291}}^1$

素因数の和:1483

約数の個数: 48

約数和(自身を含む): 54419040

約数和(自身を除く): 33621030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 179, 358, 537, 895, 1074, 1291, 1611, 1790, 2582, 2685, 3222, 3873, 5370, 6455, 7746, 8055, 11619, 12910, 16110, 19365, 23238, 38730, 58095, 116190, 231089, 462178, 693267, 1155445, 1386534, 2079801, 2310890, 3466335, 4159602, 6932670, 10399005, 20798010]

約数ペア:

[(1, 20798010), (2, 10399005), (3, 6932670), (5, 4159602), (6, 3466335), (9, 2310890), (10, 2079801), (15, 1386534), (18, 1155445), (30, 693267), (45, 462178), (90, 231089), (179, 116190), (358, 58095), (537, 38730), (895, 23238), (1074, 19365), (1291, 16110), (1611, 12910), (1790, 11619), (2582, 8055), (2685, 7746), (3222, 6455), (3873, 5370)]