20479284

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 41022156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 103, 108, 126, 189, 206, 252, 263, 309, 378, 412, 526, 618, 721, 756, 789, 927, 1052, 1236, 1442, 1578, 1841, 1854, 2163, 2367, 2781, 2884, 3156, 3682, 3708, 4326, 4734, 5523, 5562, 6489, 7101, 7364, 8652, 9468, 11046, 11124, 12978, 14202, 16569, 19467, 22092, 25956, 27089, 28404, 33138, 38934, 49707, 54178, 66276, 77868, 81267, 99414, 108356, 162534, 189623, 198828, 243801, 325068, 379246, 487602, 568869, 731403, 758492, 975204, 1137738, 1462806, 1706607, 2275476, 2925612, 3413214, 5119821, 6826428, 10239642, 20479284]

約数ペア:

[(1, 20479284), (2, 10239642), (3, 6826428), (4, 5119821), (6, 3413214), (7, 2925612), (9, 2275476), (12, 1706607), (14, 1462806), (18, 1137738), (21, 975204), (27, 758492), (28, 731403), (36, 568869), (42, 487602), (54, 379246), (63, 325068), (84, 243801), (103, 198828), (108, 189623), (126, 162534), (189, 108356), (206, 99414), (252, 81267), (263, 77868), (309, 66276), (378, 54178), (412, 49707), (526, 38934), (618, 33138), (721, 28404), (756, 27089), (789, 25956), (927, 22092), (1052, 19467), (1236, 16569), (1442, 14202), (1578, 12978), (1841, 11124), (1854, 11046), (2163, 9468), (2367, 8652), (2781, 7364), (2884, 7101), (3156, 6489), (3682, 5562), (3708, 5523), (4326, 4734)]