20850880

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2873

約数の個数: 56

約数和(自身を含む): 51828192

約数和(自身を除く): 30977312

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, 2833, 3680, 5666, 7360, 11332, 14165, 22664, 28330, 45328, 56660, 65159, 90656, 113320, 130318, 181312, 226640, 260636, 325795, 453280, 521272, 651590, 906560, 1042544, 1303180, 2085088, 2606360, 4170176, 5212720, 10425440, 20850880]

約数ペア:

[(1, 20850880), (2, 10425440), (4, 5212720), (5, 4170176), (8, 2606360), (10, 2085088), (16, 1303180), (20, 1042544), (23, 906560), (32, 651590), (40, 521272), (46, 453280), (64, 325795), (80, 260636), (92, 226640), (115, 181312), (160, 130318), (184, 113320), (230, 90656), (320, 65159), (368, 56660), (460, 45328), (736, 28330), (920, 22664), (1472, 14165), (1840, 11332), (2833, 7360), (3680, 5666)]