20175681005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{2659}}^1$

素因数の和:2846

約数の個数: 48

約数和(自身を含む): 26458488000

約数和(自身を除く): 6282806995

約数列:

[1, 5, 17, 59, 85, 89, 289, 295, 445, 1003, 1445, 1513, 2659, 5015, 5251, 7565, 13295, 17051, 25721, 26255, 45203, 85255, 89267, 128605, 156881, 226015, 236651, 446335, 768451, 784405, 1183255, 1517539, 2666977, 3842255, 4023067, 7587695, 13334885, 13962409, 20115335, 45338609, 68392139, 69812045, 226693045, 237360953, 341960695, 1186804765, 4035136201, 20175681005]

約数ペア:

[(1, 20175681005), (5, 4035136201), (17, 1186804765), (59, 341960695), (85, 237360953), (89, 226693045), (289, 69812045), (295, 68392139), (445, 45338609), (1003, 20115335), (1445, 13962409), (1513, 13334885), (2659, 7587695), (5015, 4023067), (5251, 3842255), (7565, 2666977), (13295, 1517539), (17051, 1183255), (25721, 784405), (26255, 768451), (45203, 446335), (85255, 236651), (89267, 226015), (128605, 156881)]