20834660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 34710172

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 83, 110, 140, 154, 163, 166, 220, 308, 326, 332, 385, 415, 581, 652, 770, 815, 830, 913, 1141, 1162, 1540, 1630, 1660, 1793, 1826, 2282, 2324, 2905, 3260, 3586, 3652, 4564, 4565, 5705, 5810, 6391, 7172, 8965, 9130, 11410, 11620, 12551, 12782, 13529, 17930, 18260, 22820, 25102, 25564, 27058, 31955, 35860, 50204, 54116, 62755, 63910, 67645, 94703, 125510, 127820, 135290, 148819, 189406, 251020, 270580, 297638, 378812, 473515, 595276, 744095, 947030, 1041733, 1488190, 1894060, 2083466, 2976380, 4166932, 5208665, 10417330, 20834660]

約数ペア:

[(1, 20834660), (2, 10417330), (4, 5208665), (5, 4166932), (7, 2976380), (10, 2083466), (11, 1894060), (14, 1488190), (20, 1041733), (22, 947030), (28, 744095), (35, 595276), (44, 473515), (55, 378812), (70, 297638), (77, 270580), (83, 251020), (110, 189406), (140, 148819), (154, 135290), (163, 127820), (166, 125510), (220, 94703), (308, 67645), (326, 63910), (332, 62755), (385, 54116), (415, 50204), (581, 35860), (652, 31955), (770, 27058), (815, 25564), (830, 25102), (913, 22820), (1141, 18260), (1162, 17930), (1540, 13529), (1630, 12782), (1660, 12551), (1793, 11620), (1826, 11410), (2282, 9130), (2324, 8965), (2905, 7172), (3260, 6391), (3586, 5810), (3652, 5705), (4564, 4565)]