20132211860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{36109}}^1$

素因数の和:36636

約数の個数: 48

約数和(自身を含む): 43065941520

約数和(自身を除く): 22933729660

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 457, 610, 914, 1220, 1828, 2285, 4570, 9140, 27877, 36109, 55754, 72218, 111508, 139385, 144436, 180545, 278770, 361090, 557540, 722180, 2202649, 4405298, 8810596, 11013245, 16501813, 22026490, 33003626, 44052980, 66007252, 82509065, 165018130, 330036260, 1006610593, 2013221186, 4026442372, 5033052965, 10066105930, 20132211860]

約数ペア:

[(1, 20132211860), (2, 10066105930), (4, 5033052965), (5, 4026442372), (10, 2013221186), (20, 1006610593), (61, 330036260), (122, 165018130), (244, 82509065), (305, 66007252), (457, 44052980), (610, 33003626), (914, 22026490), (1220, 16501813), (1828, 11013245), (2285, 8810596), (4570, 4405298), (9140, 2202649), (27877, 722180), (36109, 557540), (55754, 361090), (72218, 278770), (111508, 180545), (139385, 144436)]