20865228

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{42409}}^1$

素因数の和:42457

約数の個数: 24

約数和(自身を含む): 49874160

約数和(自身を除く): 29008932

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 42409, 84818, 127227, 169636, 254454, 508908, 1738769, 3477538, 5216307, 6955076, 10432614, 20865228]

約数ペア:

[(1, 20865228), (2, 10432614), (3, 6955076), (4, 5216307), (6, 3477538), (12, 1738769), (41, 508908), (82, 254454), (123, 169636), (164, 127227), (246, 84818), (492, 42409)]