20164430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23381170

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 239, 286, 295, 478, 590, 649, 715, 767, 1195, 1298, 1430, 1534, 2390, 2629, 3107, 3245, 3835, 5258, 6214, 6490, 7670, 8437, 13145, 14101, 15535, 16874, 26290, 28202, 31070, 34177, 42185, 68354, 70505, 84370, 141010, 155111, 170885, 183313, 310222, 341770, 366626, 775555, 916565, 1551110, 1833130, 2016443, 4032886, 10082215, 20164430]

約数ペア:

[(1, 20164430), (2, 10082215), (5, 4032886), (10, 2016443), (11, 1833130), (13, 1551110), (22, 916565), (26, 775555), (55, 366626), (59, 341770), (65, 310222), (110, 183313), (118, 170885), (130, 155111), (143, 141010), (239, 84370), (286, 70505), (295, 68354), (478, 42185), (590, 34177), (649, 31070), (715, 28202), (767, 26290), (1195, 16874), (1298, 15535), (1430, 14101), (1534, 13145), (2390, 8437), (2629, 7670), (3107, 6490), (3245, 6214), (3835, 5258)]