20176444120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{126641}}^1$

素因数の和:127228

約数の個数: 64

約数和(自身を含む): 51973876800

約数和(自身を除く): 31797432680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 569, 1138, 2276, 2845, 3983, 4552, 5690, 7966, 11380, 15932, 19915, 22760, 31864, 39830, 79660, 126641, 159320, 253282, 506564, 633205, 886487, 1013128, 1266410, 1772974, 2532820, 3545948, 4432435, 5065640, 7091896, 8864870, 17729740, 35459480, 72058729, 144117458, 288234916, 360293645, 504411103, 576469832, 720587290, 1008822206, 1441174580, 2017644412, 2522055515, 2882349160, 4035288824, 5044111030, 10088222060, 20176444120]

約数ペア:

[(1, 20176444120), (2, 10088222060), (4, 5044111030), (5, 4035288824), (7, 2882349160), (8, 2522055515), (10, 2017644412), (14, 1441174580), (20, 1008822206), (28, 720587290), (35, 576469832), (40, 504411103), (56, 360293645), (70, 288234916), (140, 144117458), (280, 72058729), (569, 35459480), (1138, 17729740), (2276, 8864870), (2845, 7091896), (3983, 5065640), (4552, 4432435), (5690, 3545948), (7966, 2532820), (11380, 1772974), (15932, 1266410), (19915, 1013128), (22760, 886487), (31864, 633205), (39830, 506564), (79660, 253282), (126641, 159320)]