20176742128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{16963}}^1\times {\mathrm{4373}}^1$

素因数の和:21361

約数の個数: 40

約数和(自身を含む): 41403899088

約数和(自身を除く): 21227156960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4373, 8746, 16963, 17492, 33926, 34984, 67852, 69968, 74341, 135704, 148682, 271408, 288371, 297364, 576742, 594728, 1153484, 1189456, 2306968, 4613936, 74179199, 148358398, 296716796, 593433592, 1186867184, 1261046383, 2522092766, 5044185532, 10088371064, 20176742128]

約数ペア:

[(1, 20176742128), (2, 10088371064), (4, 5044185532), (8, 2522092766), (16, 1261046383), (17, 1186867184), (34, 593433592), (68, 296716796), (136, 148358398), (272, 74179199), (4373, 4613936), (8746, 2306968), (16963, 1189456), (17492, 1153484), (33926, 594728), (34984, 576742), (67852, 297364), (69968, 288371), (74341, 271408), (135704, 148682)]