20391690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 54317952

約数和(自身を除く): 33926262

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 915, 1013, 1342, 1830, 2013, 2026, 3039, 3355, 4026, 5065, 6078, 6710, 10065, 10130, 11143, 15195, 20130, 22286, 30390, 33429, 55715, 61793, 66858, 111430, 123586, 167145, 185379, 308965, 334290, 370758, 617930, 679723, 926895, 1359446, 1853790, 2039169, 3398615, 4078338, 6797230, 10195845, 20391690]

約数ペア:

[(1, 20391690), (2, 10195845), (3, 6797230), (5, 4078338), (6, 3398615), (10, 2039169), (11, 1853790), (15, 1359446), (22, 926895), (30, 679723), (33, 617930), (55, 370758), (61, 334290), (66, 308965), (110, 185379), (122, 167145), (165, 123586), (183, 111430), (305, 66858), (330, 61793), (366, 55715), (610, 33429), (671, 30390), (915, 22286), (1013, 20130), (1342, 15195), (1830, 11143), (2013, 10130), (2026, 10065), (3039, 6710), (3355, 6078), (4026, 5065)]