20700364528

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{1613}}^1\times {\mathrm{1861}}^1$

素因数の和:3913

約数の個数: 40

約数和(自身を含む): 40246549056

約数和(自身を除く): 19546184528

約数列:

[1, 2, 4, 8, 16, 431, 862, 1613, 1724, 1861, 3226, 3448, 3722, 6452, 6896, 7444, 12904, 14888, 25808, 29776, 695203, 802091, 1390406, 1604182, 2780812, 3001793, 3208364, 5561624, 6003586, 6416728, 11123248, 12007172, 12833456, 24014344, 48028688, 1293772783, 2587545566, 5175091132, 10350182264, 20700364528]

約数ペア:

[(1, 20700364528), (2, 10350182264), (4, 5175091132), (8, 2587545566), (16, 1293772783), (431, 48028688), (862, 24014344), (1613, 12833456), (1724, 12007172), (1861, 11123248), (3226, 6416728), (3448, 6003586), (3722, 5561624), (6452, 3208364), (6896, 3001793), (7444, 2780812), (12904, 1604182), (14888, 1390406), (25808, 802091), (29776, 695203)]