20478930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23539}}^1$

素因数の和:23578

約数の個数: 32

約数和(自身を含む): 50846400

約数和(自身を除く): 30367470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23539, 47078, 70617, 117695, 141234, 235390, 353085, 682631, 706170, 1365262, 2047893, 3413155, 4095786, 6826310, 10239465, 20478930]

約数ペア:

[(1, 20478930), (2, 10239465), (3, 6826310), (5, 4095786), (6, 3413155), (10, 2047893), (15, 1365262), (29, 706170), (30, 682631), (58, 353085), (87, 235390), (145, 141234), (174, 117695), (290, 70617), (435, 47078), (870, 23539)]