20589270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 55655424

約数和(自身を除く): 35066154

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 131, 155, 169, 186, 195, 262, 310, 338, 390, 393, 403, 465, 507, 655, 786, 806, 845, 930, 1014, 1209, 1310, 1690, 1703, 1965, 2015, 2418, 2535, 3406, 3930, 4030, 4061, 5070, 5109, 5239, 6045, 8122, 8515, 10218, 10478, 12090, 12183, 15717, 17030, 20305, 22139, 24366, 25545, 26195, 31434, 40610, 44278, 51090, 52390, 52793, 60915, 66417, 78585, 105586, 110695, 121830, 132834, 157170, 158379, 221390, 263965, 316758, 332085, 527930, 664170, 686309, 791895, 1372618, 1583790, 2058927, 3431545, 4117854, 6863090, 10294635, 20589270]

約数ペア:

[(1, 20589270), (2, 10294635), (3, 6863090), (5, 4117854), (6, 3431545), (10, 2058927), (13, 1583790), (15, 1372618), (26, 791895), (30, 686309), (31, 664170), (39, 527930), (62, 332085), (65, 316758), (78, 263965), (93, 221390), (130, 158379), (131, 157170), (155, 132834), (169, 121830), (186, 110695), (195, 105586), (262, 78585), (310, 66417), (338, 60915), (390, 52793), (393, 52390), (403, 51090), (465, 44278), (507, 40610), (655, 31434), (786, 26195), (806, 25545), (845, 24366), (930, 22139), (1014, 20305), (1209, 17030), (1310, 15717), (1690, 12183), (1703, 12090), (1965, 10478), (2015, 10218), (2418, 8515), (2535, 8122), (3406, 6045), (3930, 5239), (4030, 5109), (4061, 5070)]