20120256

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2687}}^1$

素因数の和:2718

約数の個数: 84

約数和(自身を含む): 62130432

約数和(自身を除く): 42010176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2687, 3744, 5374, 7488, 8061, 10748, 16122, 21496, 24183, 32244, 34931, 42992, 48366, 64488, 69862, 85984, 96732, 104793, 128976, 139724, 171968, 193464, 209586, 257952, 279448, 314379, 386928, 419172, 515904, 558896, 628758, 773856, 838344, 1117792, 1257516, 1547712, 1676688, 2235584, 2515032, 3353376, 5030064, 6706752, 10060128, 20120256]

約数ペア:

[(1, 20120256), (2, 10060128), (3, 6706752), (4, 5030064), (6, 3353376), (8, 2515032), (9, 2235584), (12, 1676688), (13, 1547712), (16, 1257516), (18, 1117792), (24, 838344), (26, 773856), (32, 628758), (36, 558896), (39, 515904), (48, 419172), (52, 386928), (64, 314379), (72, 279448), (78, 257952), (96, 209586), (104, 193464), (117, 171968), (144, 139724), (156, 128976), (192, 104793), (208, 96732), (234, 85984), (288, 69862), (312, 64488), (416, 48366), (468, 42992), (576, 34931), (624, 32244), (832, 24183), (936, 21496), (1248, 16122), (1872, 10748), (2496, 8061), (2687, 7488), (3744, 5374)]