20771556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2833}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 53324544

約数和(自身を除く): 32552988

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, 2833, 3666, 5666, 7332, 8499, 11332, 16998, 33996, 36829, 73658, 110487, 133151, 147316, 220974, 266302, 399453, 441948, 532604, 798906, 1597812, 1730963, 3461926, 5192889, 6923852, 10385778, 20771556]

約数ペア:

[(1, 20771556), (2, 10385778), (3, 6923852), (4, 5192889), (6, 3461926), (12, 1730963), (13, 1597812), (26, 798906), (39, 532604), (47, 441948), (52, 399453), (78, 266302), (94, 220974), (141, 147316), (156, 133151), (188, 110487), (282, 73658), (564, 36829), (611, 33996), (1222, 16998), (1833, 11332), (2444, 8499), (2833, 7332), (3666, 5666)]