20527040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2829

約数の個数: 56

約数和(自身を含む): 51023520

約数和(自身を除く): 30496480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 2789, 3680, 5578, 7360, 11156, 13945, 22312, 27890, 44624, 55780, 64147, 89248, 111560, 128294, 178496, 223120, 256588, 320735, 446240, 513176, 641470, 892480, 1026352, 1282940, 2052704, 2565880, 4105408, 5131760, 10263520, 20527040]

約数ペア:

[(1, 20527040), (2, 10263520), (4, 5131760), (5, 4105408), (8, 2565880), (10, 2052704), (16, 1282940), (20, 1026352), (23, 892480), (32, 641470), (40, 513176), (46, 446240), (64, 320735), (80, 256588), (92, 223120), (115, 178496), (160, 128294), (184, 111560), (230, 89248), (320, 64147), (368, 55780), (460, 44624), (736, 27890), (920, 22312), (1472, 13945), (1840, 11156), (2789, 7360), (3680, 5578)]