20442960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28393}}^1$

素因数の和:28412

約数の個数: 60

約数和(自身を含む): 68656692

約数和(自身を除く): 48213732

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28393, 56786, 85179, 113572, 141965, 170358, 227144, 255537, 283930, 340716, 425895, 454288, 511074, 567860, 681432, 851790, 1022148, 1135720, 1277685, 1362864, 1703580, 2044296, 2271440, 2555370, 3407160, 4088592, 5110740, 6814320, 10221480, 20442960]

約数ペア:

[(1, 20442960), (2, 10221480), (3, 6814320), (4, 5110740), (5, 4088592), (6, 3407160), (8, 2555370), (9, 2271440), (10, 2044296), (12, 1703580), (15, 1362864), (16, 1277685), (18, 1135720), (20, 1022148), (24, 851790), (30, 681432), (36, 567860), (40, 511074), (45, 454288), (48, 425895), (60, 340716), (72, 283930), (80, 255537), (90, 227144), (120, 170358), (144, 141965), (180, 113572), (240, 85179), (360, 56786), (720, 28393)]