20768784

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5477}}^1$

素因数の和:5567

約数の個数: 40

約数和(自身を含む): 54341760

約数和(自身を除く): 33572976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5477, 10954, 16431, 21908, 32862, 43816, 65724, 87632, 131448, 262896, 432683, 865366, 1298049, 1730732, 2596098, 3461464, 5192196, 6922928, 10384392, 20768784]

約数ペア:

[(1, 20768784), (2, 10384392), (3, 6922928), (4, 5192196), (6, 3461464), (8, 2596098), (12, 1730732), (16, 1298049), (24, 865366), (48, 432683), (79, 262896), (158, 131448), (237, 87632), (316, 65724), (474, 43816), (632, 32862), (948, 21908), (1264, 16431), (1896, 10954), (3792, 5477)]