20213477870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{653}}^1\times {\mathrm{10711}}^1$

素因数の和:11405

約数の個数: 48

約数和(自身を含む): 38713210848

約数和(自身を除く): 18499732978

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 653, 1306, 1445, 2890, 3265, 6530, 10711, 11101, 21422, 22202, 53555, 55505, 107110, 111010, 182087, 188717, 364174, 377434, 910435, 943585, 1820870, 1887170, 3095479, 6190958, 6994283, 13988566, 15477395, 30954790, 34971415, 69942830, 118902811, 237805622, 594514055, 1189028110, 2021347787, 4042695574, 10106738935, 20213477870]

約数ペア:

[(1, 20213477870), (2, 10106738935), (5, 4042695574), (10, 2021347787), (17, 1189028110), (34, 594514055), (85, 237805622), (170, 118902811), (289, 69942830), (578, 34971415), (653, 30954790), (1306, 15477395), (1445, 13988566), (2890, 6994283), (3265, 6190958), (6530, 3095479), (10711, 1887170), (11101, 1820870), (21422, 943585), (22202, 910435), (53555, 377434), (55505, 364174), (107110, 188717), (111010, 182087)]