20173968656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{70373}}^1$

素因数の和:70464

約数の個数: 80

約数和(自身を含む): 43980935040

約数和(自身を除く): 23806966384

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 41, 46, 76, 82, 92, 152, 164, 184, 304, 328, 368, 437, 656, 779, 874, 943, 1558, 1748, 1886, 3116, 3496, 3772, 6232, 6992, 7544, 12464, 15088, 17917, 35834, 70373, 71668, 140746, 143336, 281492, 286672, 562984, 1125968, 1337087, 1618579, 2674174, 2885293, 3237158, 5348348, 5770586, 6474316, 10696696, 11541172, 12948632, 21393392, 23082344, 25897264, 30753001, 46164688, 54820567, 61506002, 66361739, 109641134, 123012004, 132723478, 219282268, 246024008, 265446956, 438564536, 492048016, 530893912, 877129072, 1061787824, 1260873041, 2521746082, 5043492164, 10086984328, 20173968656]

約数ペア:

[(1, 20173968656), (2, 10086984328), (4, 5043492164), (8, 2521746082), (16, 1260873041), (19, 1061787824), (23, 877129072), (38, 530893912), (41, 492048016), (46, 438564536), (76, 265446956), (82, 246024008), (92, 219282268), (152, 132723478), (164, 123012004), (184, 109641134), (304, 66361739), (328, 61506002), (368, 54820567), (437, 46164688), (656, 30753001), (779, 25897264), (874, 23082344), (943, 21393392), (1558, 12948632), (1748, 11541172), (1886, 10696696), (3116, 6474316), (3496, 5770586), (3772, 5348348), (6232, 3237158), (6992, 2885293), (7544, 2674174), (12464, 1618579), (15088, 1337087), (17917, 1125968), (35834, 562984), (70373, 286672), (71668, 281492), (140746, 143336)]