20117180828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{42683}}^1$

素因数の和:42866

約数の個数: 48

約数和(自身を含む): 37862415360

約数和(自身を除く): 17745234532

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 109, 188, 218, 436, 1081, 2162, 2507, 4324, 5014, 5123, 10028, 10246, 20492, 42683, 85366, 117829, 170732, 235658, 471316, 981709, 1963418, 2006101, 3926836, 4012202, 4652447, 8024404, 9304894, 18609788, 46140323, 92280646, 107006281, 184561292, 214012562, 218665009, 428025124, 437330018, 874660036, 5029295207, 10058590414, 20117180828]

約数ペア:

[(1, 20117180828), (2, 10058590414), (4, 5029295207), (23, 874660036), (46, 437330018), (47, 428025124), (92, 218665009), (94, 214012562), (109, 184561292), (188, 107006281), (218, 92280646), (436, 46140323), (1081, 18609788), (2162, 9304894), (2507, 8024404), (4324, 4652447), (5014, 4012202), (5123, 3926836), (10028, 2006101), (10246, 1963418), (20492, 981709), (42683, 471316), (85366, 235658), (117829, 170732)]