20645832

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16231}}^1$

素因数の和:16293

約数の個数: 32

約数和(自身を含む): 52591680

約数和(自身を除く): 31945848

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16231, 32462, 48693, 64924, 97386, 129848, 194772, 389544, 860243, 1720486, 2580729, 3440972, 5161458, 6881944, 10322916, 20645832]

約数ペア:

[(1, 20645832), (2, 10322916), (3, 6881944), (4, 5161458), (6, 3440972), (8, 2580729), (12, 1720486), (24, 860243), (53, 389544), (106, 194772), (159, 129848), (212, 97386), (318, 64924), (424, 48693), (636, 32462), (1272, 16231)]