20173934768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{3881}}^1$

素因数の和:4342

約数の個数: 80

約数和(自身を含む): 42847528416

約数和(自身を除く): 22673593648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 373, 536, 746, 871, 1072, 1492, 1742, 2984, 3484, 3881, 4849, 5968, 6968, 7762, 9698, 13936, 15524, 19396, 24991, 31048, 38792, 49982, 50453, 62096, 77584, 99964, 100906, 199928, 201812, 260027, 324883, 399856, 403624, 520054, 649766, 807248, 1040108, 1299532, 1447613, 2080216, 2599064, 2895226, 3380351, 4160432, 5198128, 5790452, 6760702, 11580904, 13521404, 18818969, 23161808, 27042808, 37637938, 54085616, 75275876, 96990071, 150551752, 193980142, 301103504, 387960284, 775920568, 1260870923, 1551841136, 2521741846, 5043483692, 10086967384, 20173934768]

約数ペア:

[(1, 20173934768), (2, 10086967384), (4, 5043483692), (8, 2521741846), (13, 1551841136), (16, 1260870923), (26, 775920568), (52, 387960284), (67, 301103504), (104, 193980142), (134, 150551752), (208, 96990071), (268, 75275876), (373, 54085616), (536, 37637938), (746, 27042808), (871, 23161808), (1072, 18818969), (1492, 13521404), (1742, 11580904), (2984, 6760702), (3484, 5790452), (3881, 5198128), (4849, 4160432), (5968, 3380351), (6968, 2895226), (7762, 2599064), (9698, 2080216), (13936, 1447613), (15524, 1299532), (19396, 1040108), (24991, 807248), (31048, 649766), (38792, 520054), (49982, 403624), (50453, 399856), (62096, 324883), (77584, 260027), (99964, 201812), (100906, 199928)]