20239812

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3581}}^1$

素因数の和:3748

約数の個数: 36

約数和(自身を含む): 51501996

約数和(自身を除く): 31262184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3581, 5652, 7162, 10743, 14324, 21486, 32229, 42972, 64458, 128916, 562217, 1124434, 1686651, 2248868, 3373302, 5059953, 6746604, 10119906, 20239812]

約数ペア:

[(1, 20239812), (2, 10119906), (3, 6746604), (4, 5059953), (6, 3373302), (9, 2248868), (12, 1686651), (18, 1124434), (36, 562217), (157, 128916), (314, 64458), (471, 42972), (628, 32229), (942, 21486), (1413, 14324), (1884, 10743), (2826, 7162), (3581, 5652)]