20213730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2843}}^1$

素因数の和:2935

約数の個数: 48

約数和(自身を含む): 53239680

約数和(自身を除く): 33025950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2843, 3555, 5686, 7110, 8529, 14215, 17058, 25587, 28430, 42645, 51174, 85290, 127935, 224597, 255870, 449194, 673791, 1122985, 1347582, 2021373, 2245970, 3368955, 4042746, 6737910, 10106865, 20213730]

約数ペア:

[(1, 20213730), (2, 10106865), (3, 6737910), (5, 4042746), (6, 3368955), (9, 2245970), (10, 2021373), (15, 1347582), (18, 1122985), (30, 673791), (45, 449194), (79, 255870), (90, 224597), (158, 127935), (237, 85290), (395, 51174), (474, 42645), (711, 28430), (790, 25587), (1185, 17058), (1422, 14215), (2370, 8529), (2843, 7110), (3555, 5686)]