20809928376

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{439919}}^1$

素因数の和:440010

約数の個数: 80

約数和(自身を含む): 59085655200

約数和(自身を除く): 38275726824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 438, 584, 648, 657, 876, 1314, 1752, 1971, 2628, 3942, 5256, 5913, 7884, 11826, 15768, 23652, 47304, 439919, 879838, 1319757, 1759676, 2639514, 3519352, 3959271, 5279028, 7918542, 10558056, 11877813, 15837084, 23755626, 31674168, 32114087, 35633439, 47511252, 64228174, 71266878, 95022504, 96342261, 128456348, 142533756, 192684522, 256912696, 285067512, 289026783, 385369044, 578053566, 770738088, 867080349, 1156107132, 1734160698, 2312214264, 2601241047, 3468321396, 5202482094, 6936642792, 10404964188, 20809928376]

約数ペア:

[(1, 20809928376), (2, 10404964188), (3, 6936642792), (4, 5202482094), (6, 3468321396), (8, 2601241047), (9, 2312214264), (12, 1734160698), (18, 1156107132), (24, 867080349), (27, 770738088), (36, 578053566), (54, 385369044), (72, 289026783), (73, 285067512), (81, 256912696), (108, 192684522), (146, 142533756), (162, 128456348), (216, 96342261), (219, 95022504), (292, 71266878), (324, 64228174), (438, 47511252), (584, 35633439), (648, 32114087), (657, 31674168), (876, 23755626), (1314, 15837084), (1752, 11877813), (1971, 10558056), (2628, 7918542), (3942, 5279028), (5256, 3959271), (5913, 3519352), (7884, 2639514), (11826, 1759676), (15768, 1319757), (23652, 879838), (47304, 439919)]