20827872

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5563}}^1$

素因数の和:5592

約数の個数: 72

約数和(自身を含む): 63796824

約数和(自身を除く): 42968952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5563, 11126, 16689, 22252, 33378, 44504, 50067, 66756, 72319, 89008, 100134, 133512, 144638, 178016, 200268, 216957, 267024, 289276, 400536, 433914, 534048, 578552, 650871, 801072, 867828, 1157104, 1301742, 1602144, 1735656, 2314208, 2603484, 3471312, 5206968, 6942624, 10413936, 20827872]

約数ペア:

[(1, 20827872), (2, 10413936), (3, 6942624), (4, 5206968), (6, 3471312), (8, 2603484), (9, 2314208), (12, 1735656), (13, 1602144), (16, 1301742), (18, 1157104), (24, 867828), (26, 801072), (32, 650871), (36, 578552), (39, 534048), (48, 433914), (52, 400536), (72, 289276), (78, 267024), (96, 216957), (104, 200268), (117, 178016), (144, 144638), (156, 133512), (208, 100134), (234, 89008), (288, 72319), (312, 66756), (416, 50067), (468, 44504), (624, 33378), (936, 22252), (1248, 16689), (1872, 11126), (3744, 5563)]