20123588758

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1549}}^1\times {\mathrm{1741}}^1$

素因数の和:3353

約数の個数: 64

約数和(自身を含む): 38103811200

約数和(自身を除く): 17980222442

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 1549, 1741, 3098, 3482, 3731, 7462, 10843, 12187, 20137, 21686, 22633, 24374, 40274, 45266, 63509, 71381, 127018, 140959, 142762, 158431, 281918, 316862, 444563, 499667, 825617, 889126, 927953, 999334, 1651234, 1855906, 2696809, 5393618, 5779319, 6495671, 11558638, 12991342, 18877663, 35058517, 37755326, 70117034, 110569169, 221138338, 245409619, 490819238, 773984183, 1437399197, 1547968366, 2874798394, 10061794379, 20123588758]

約数ペア:

[(1, 20123588758), (2, 10061794379), (7, 2874798394), (13, 1547968366), (14, 1437399197), (26, 773984183), (41, 490819238), (82, 245409619), (91, 221138338), (182, 110569169), (287, 70117034), (533, 37755326), (574, 35058517), (1066, 18877663), (1549, 12991342), (1741, 11558638), (3098, 6495671), (3482, 5779319), (3731, 5393618), (7462, 2696809), (10843, 1855906), (12187, 1651234), (20137, 999334), (21686, 927953), (22633, 889126), (24374, 825617), (40274, 499667), (45266, 444563), (63509, 316862), (71381, 281918), (127018, 158431), (140959, 142762)]