20122720156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{188281}}^1$

素因数の和:188650

約数の個数: 48

約数和(自身を含む): 44030875392

約数和(自身を除く): 23908155236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 347, 694, 1388, 2429, 3817, 4858, 7634, 9716, 15268, 26719, 53438, 106876, 188281, 376562, 753124, 1317967, 2071091, 2635934, 4142182, 5271868, 8284364, 14497637, 28995274, 57990548, 65333507, 130667014, 261334028, 457334549, 718668577, 914669098, 1437337154, 1829338196, 2874674308, 5030680039, 10061360078, 20122720156]

約数ペア:

[(1, 20122720156), (2, 10061360078), (4, 5030680039), (7, 2874674308), (11, 1829338196), (14, 1437337154), (22, 914669098), (28, 718668577), (44, 457334549), (77, 261334028), (154, 130667014), (308, 65333507), (347, 57990548), (694, 28995274), (1388, 14497637), (2429, 8284364), (3817, 5271868), (4858, 4142182), (7634, 2635934), (9716, 2071091), (15268, 1317967), (26719, 753124), (53438, 376562), (106876, 188281)]