20769996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 52521728

約数和(自身を除く): 31751732

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 631, 633, 844, 1262, 1266, 1893, 2524, 2532, 2743, 3786, 5486, 7572, 8203, 8229, 10972, 16406, 16458, 24609, 32812, 32916, 49218, 98436, 133141, 266282, 399423, 532564, 798846, 1597692, 1730833, 3461666, 5192499, 6923332, 10384998, 20769996]

約数ペア:

[(1, 20769996), (2, 10384998), (3, 6923332), (4, 5192499), (6, 3461666), (12, 1730833), (13, 1597692), (26, 798846), (39, 532564), (52, 399423), (78, 266282), (156, 133141), (211, 98436), (422, 49218), (631, 32916), (633, 32812), (844, 24609), (1262, 16458), (1266, 16406), (1893, 10972), (2524, 8229), (2532, 8203), (2743, 7572), (3786, 5486)]