20506016

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 43999200

約数和(自身を除く): 23493184

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1102, 1163, 2204, 2326, 4408, 4652, 8816, 9304, 17632, 18608, 22097, 33727, 37216, 44194, 67454, 88388, 134908, 176776, 269816, 353552, 539632, 640813, 707104, 1079264, 1281626, 2563252, 5126504, 10253008, 20506016]

約数ペア:

[(1, 20506016), (2, 10253008), (4, 5126504), (8, 2563252), (16, 1281626), (19, 1079264), (29, 707104), (32, 640813), (38, 539632), (58, 353552), (76, 269816), (116, 176776), (152, 134908), (232, 88388), (304, 67454), (464, 44194), (551, 37216), (608, 33727), (928, 22097), (1102, 18608), (1163, 17632), (2204, 9304), (2326, 8816), (4408, 4652)]