20805464

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1951}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 41226240

約数和(自身を除く): 20420776

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 1951, 2666, 3902, 5332, 7804, 10664, 15608, 60481, 83893, 120962, 167786, 241924, 335572, 483848, 671144, 2600683, 5201366, 10402732, 20805464]

約数ペア:

[(1, 20805464), (2, 10402732), (4, 5201366), (8, 2600683), (31, 671144), (43, 483848), (62, 335572), (86, 241924), (124, 167786), (172, 120962), (248, 83893), (344, 60481), (1333, 15608), (1951, 10664), (2666, 7804), (3902, 5332)]