20216372904

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1028509}}^1$

素因数の和:1028544

約数の個数: 128

約数和(自身を含む): 69115872000

約数和(自身を除く): 48899499096

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4914, 6552, 9828, 19656, 1028509, 2057018, 3085527, 4114036, 6171054, 7199563, 8228072, 9256581, 12342108, 13370617, 14399126, 18513162, 21598689, 24684216, 26741234, 27769743, 28798252, 37026324, 40111851, 43197378, 53482468, 55539486, 57596504, 64796067, 74052648, 80223702, 86394756, 93594319, 106964936, 111078972, 120335553, 129592134, 160447404, 172789512, 187188638, 194388201, 222157944, 240671106, 259184268, 280782957, 320894808, 361006659, 374377276, 388776402, 481342212, 518368536, 561565914, 722013318, 748754552, 777552804, 842348871, 962684424, 1123131828, 1444026636, 1555105608, 1684697742, 2246263656, 2527046613, 2888053272, 3369395484, 5054093226, 6738790968, 10108186452, 20216372904]

約数ペア:

[(1, 20216372904), (2, 10108186452), (3, 6738790968), (4, 5054093226), (6, 3369395484), (7, 2888053272), (8, 2527046613), (9, 2246263656), (12, 1684697742), (13, 1555105608), (14, 1444026636), (18, 1123131828), (21, 962684424), (24, 842348871), (26, 777552804), (27, 748754552), (28, 722013318), (36, 561565914), (39, 518368536), (42, 481342212), (52, 388776402), (54, 374377276), (56, 361006659), (63, 320894808), (72, 280782957), (78, 259184268), (84, 240671106), (91, 222157944), (104, 194388201), (108, 187188638), (117, 172789512), (126, 160447404), (156, 129592134), (168, 120335553), (182, 111078972), (189, 106964936), (216, 93594319), (234, 86394756), (252, 80223702), (273, 74052648), (312, 64796067), (351, 57596504), (364, 55539486), (378, 53482468), (468, 43197378), (504, 40111851), (546, 37026324), (702, 28798252), (728, 27769743), (756, 26741234), (819, 24684216), (936, 21598689), (1092, 18513162), (1404, 14399126), (1512, 13370617), (1638, 12342108), (2184, 9256581), (2457, 8228072), (2808, 7199563), (3276, 6171054), (4914, 4114036), (6552, 3085527), (9828, 2057018), (19656, 1028509)]