20195456

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9281}}^1$

素因数の和:9312

約数の個数: 32

約数和(自身を含む): 42604380

約数和(自身を除く): 22408924

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9281, 18562, 37124, 74248, 148496, 157777, 296992, 315554, 593984, 631108, 1187968, 1262216, 2524432, 5048864, 10097728, 20195456]

約数ペア:

[(1, 20195456), (2, 10097728), (4, 5048864), (8, 2524432), (16, 1262216), (17, 1187968), (32, 631108), (34, 593984), (64, 315554), (68, 296992), (128, 157777), (136, 148496), (272, 74248), (544, 37124), (1088, 18562), (2176, 9281)]