20648166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 34509594

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 121, 154, 187, 231, 238, 239, 242, 357, 363, 374, 462, 478, 561, 714, 717, 726, 847, 1122, 1309, 1434, 1673, 1694, 2057, 2541, 2618, 2629, 3346, 3927, 4063, 4114, 5019, 5082, 5258, 6171, 7854, 7887, 8126, 10038, 12189, 12342, 14399, 15774, 18403, 24378, 28441, 28798, 28919, 36806, 43197, 44693, 55209, 56882, 57838, 85323, 86394, 86757, 89386, 110418, 134079, 170646, 173514, 202433, 268158, 312851, 404866, 491623, 607299, 625702, 938553, 983246, 1214598, 1474869, 1877106, 2949738, 3441361, 6882722, 10324083, 20648166]

約数ペア:

[(1, 20648166), (2, 10324083), (3, 6882722), (6, 3441361), (7, 2949738), (11, 1877106), (14, 1474869), (17, 1214598), (21, 983246), (22, 938553), (33, 625702), (34, 607299), (42, 491623), (51, 404866), (66, 312851), (77, 268158), (102, 202433), (119, 173514), (121, 170646), (154, 134079), (187, 110418), (231, 89386), (238, 86757), (239, 86394), (242, 85323), (357, 57838), (363, 56882), (374, 55209), (462, 44693), (478, 43197), (561, 36806), (714, 28919), (717, 28798), (726, 28441), (847, 24378), (1122, 18403), (1309, 15774), (1434, 14399), (1673, 12342), (1694, 12189), (2057, 10038), (2541, 8126), (2618, 7887), (2629, 7854), (3346, 6171), (3927, 5258), (4063, 5082), (4114, 5019)]