20184996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2753}}^1$

素因数の和:2820

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 31634268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2753, 3666, 5506, 7332, 8259, 11012, 16518, 33036, 35789, 71578, 107367, 129391, 143156, 214734, 258782, 388173, 429468, 517564, 776346, 1552692, 1682083, 3364166, 5046249, 6728332, 10092498, 20184996]

約数ペア:

[(1, 20184996), (2, 10092498), (3, 6728332), (4, 5046249), (6, 3364166), (12, 1682083), (13, 1552692), (26, 776346), (39, 517564), (47, 429468), (52, 388173), (78, 258782), (94, 214734), (141, 143156), (156, 129391), (188, 107367), (282, 71578), (564, 35789), (611, 33036), (1222, 16518), (1833, 11012), (2444, 8259), (2753, 7332), (3666, 5506)]