20045297380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{123083}}^1$

素因数の和:123588

約数の個数: 48

約数和(自身を含む): 44664721920

約数和(自身を除く): 24619424540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 479, 958, 1916, 2395, 4790, 8143, 9580, 16286, 32572, 40715, 81430, 123083, 162860, 246166, 492332, 615415, 1230830, 2092411, 2461660, 4184822, 8369644, 10462055, 20924110, 41848220, 58956757, 117913514, 235827028, 294783785, 589567570, 1002264869, 1179135140, 2004529738, 4009059476, 5011324345, 10022648690, 20045297380]

約数ペア:

[(1, 20045297380), (2, 10022648690), (4, 5011324345), (5, 4009059476), (10, 2004529738), (17, 1179135140), (20, 1002264869), (34, 589567570), (68, 294783785), (85, 235827028), (170, 117913514), (340, 58956757), (479, 41848220), (958, 20924110), (1916, 10462055), (2395, 8369644), (4790, 4184822), (8143, 2461660), (9580, 2092411), (16286, 1230830), (32572, 615415), (40715, 492332), (81430, 246166), (123083, 162860)]