20042960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5113}}^1$

素因数の和:5140

約数の個数: 60

約数和(自身を含む): 54218628

約数和(自身を除く): 34175668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5113, 10226, 20452, 25565, 35791, 40904, 51130, 71582, 81808, 102260, 143164, 178955, 204520, 250537, 286328, 357910, 409040, 501074, 572656, 715820, 1002148, 1252685, 1431640, 2004296, 2505370, 2863280, 4008592, 5010740, 10021480, 20042960]

約数ペア:

[(1, 20042960), (2, 10021480), (4, 5010740), (5, 4008592), (7, 2863280), (8, 2505370), (10, 2004296), (14, 1431640), (16, 1252685), (20, 1002148), (28, 715820), (35, 572656), (40, 501074), (49, 409040), (56, 357910), (70, 286328), (80, 250537), (98, 204520), (112, 178955), (140, 143164), (196, 102260), (245, 81808), (280, 71582), (392, 51130), (490, 40904), (560, 35791), (784, 25565), (980, 20452), (1960, 10226), (3920, 5113)]