20638488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2281}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 57506400

約数和(自身を除く): 36867912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 2262, 2281, 3016, 4524, 4562, 6843, 9048, 9124, 13686, 18248, 27372, 29653, 54744, 59306, 66149, 88959, 118612, 132298, 177918, 198447, 237224, 264596, 355836, 396894, 529192, 711672, 793788, 859937, 1587576, 1719874, 2579811, 3439748, 5159622, 6879496, 10319244, 20638488]

約数ペア:

[(1, 20638488), (2, 10319244), (3, 6879496), (4, 5159622), (6, 3439748), (8, 2579811), (12, 1719874), (13, 1587576), (24, 859937), (26, 793788), (29, 711672), (39, 529192), (52, 396894), (58, 355836), (78, 264596), (87, 237224), (104, 198447), (116, 177918), (156, 132298), (174, 118612), (232, 88959), (312, 66149), (348, 59306), (377, 54744), (696, 29653), (754, 27372), (1131, 18248), (1508, 13686), (2262, 9124), (2281, 9048), (3016, 6843), (4524, 4562)]