20108904736

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{2543}}^1\times {\mathrm{4051}}^1$

素因数の和:6665

約数の個数: 48

約数和(自身を含む): 40264172928

約数和(自身を除く): 20155268192

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 2543, 4051, 5086, 8102, 10172, 16204, 20344, 32408, 40688, 64816, 81376, 129632, 155123, 247111, 310246, 494222, 620492, 988444, 1240984, 1976888, 2481968, 3953776, 4963936, 7907552, 10301693, 20603386, 41206772, 82413544, 164827088, 329654176, 628403273, 1256806546, 2513613092, 5027226184, 10054452368, 20108904736]

約数ペア:

[(1, 20108904736), (2, 10054452368), (4, 5027226184), (8, 2513613092), (16, 1256806546), (32, 628403273), (61, 329654176), (122, 164827088), (244, 82413544), (488, 41206772), (976, 20603386), (1952, 10301693), (2543, 7907552), (4051, 4963936), (5086, 3953776), (8102, 2481968), (10172, 1976888), (16204, 1240984), (20344, 988444), (32408, 620492), (40688, 494222), (64816, 310246), (81376, 247111), (129632, 155123)]