12920770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 24427008

約数和(自身を除く): 11506238

約数列:

[1, 2, 5, 10, 37, 47, 74, 94, 185, 235, 370, 470, 743, 1486, 1739, 3478, 3715, 7430, 8695, 17390, 27491, 34921, 54982, 69842, 137455, 174605, 274910, 349210, 1292077, 2584154, 6460385, 12920770]

約数ペア:

[(1, 12920770), (2, 6460385), (5, 2584154), (10, 1292077), (37, 349210), (47, 274910), (74, 174605), (94, 137455), (185, 69842), (235, 54982), (370, 34921), (470, 27491), (743, 17390), (1486, 8695), (1739, 7430), (3478, 3715)]