20461392

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 120

約数和(自身を含む): 66852864

約数和(自身を除く): 46391472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 72, 84, 106, 112, 126, 144, 159, 168, 212, 252, 318, 336, 371, 383, 424, 477, 504, 636, 742, 766, 848, 954, 1008, 1113, 1149, 1272, 1484, 1532, 1908, 2226, 2298, 2544, 2681, 2968, 3064, 3339, 3447, 3816, 4452, 4596, 5362, 5936, 6128, 6678, 6894, 7632, 8043, 8904, 9192, 10724, 13356, 13788, 16086, 17808, 18384, 20299, 21448, 24129, 26712, 27576, 32172, 40598, 42896, 48258, 53424, 55152, 60897, 64344, 81196, 96516, 121794, 128688, 142093, 162392, 182691, 193032, 243588, 284186, 324784, 365382, 386064, 426279, 487176, 568372, 730764, 852558, 974352, 1136744, 1278837, 1461528, 1705116, 2273488, 2557674, 2923056, 3410232, 5115348, 6820464, 10230696, 20461392]

約数ペア:

[(1, 20461392), (2, 10230696), (3, 6820464), (4, 5115348), (6, 3410232), (7, 2923056), (8, 2557674), (9, 2273488), (12, 1705116), (14, 1461528), (16, 1278837), (18, 1136744), (21, 974352), (24, 852558), (28, 730764), (36, 568372), (42, 487176), (48, 426279), (53, 386064), (56, 365382), (63, 324784), (72, 284186), (84, 243588), (106, 193032), (112, 182691), (126, 162392), (144, 142093), (159, 128688), (168, 121794), (212, 96516), (252, 81196), (318, 64344), (336, 60897), (371, 55152), (383, 53424), (424, 48258), (477, 42896), (504, 40598), (636, 32172), (742, 27576), (766, 26712), (848, 24129), (954, 21448), (1008, 20299), (1113, 18384), (1149, 17808), (1272, 16086), (1484, 13788), (1532, 13356), (1908, 10724), (2226, 9192), (2298, 8904), (2544, 8043), (2681, 7632), (2968, 6894), (3064, 6678), (3339, 6128), (3447, 5936), (3816, 5362), (4452, 4596)]