20513060785

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1\times {\mathrm{6733}}^1$

素因数の和:8233

約数の個数: 32

約数和(自身を含む): 28617668352

約数和(自身を除く): 8104607567

約数列:

[1, 5, 7, 35, 61, 305, 427, 1427, 2135, 6733, 7135, 9989, 33665, 47131, 49945, 87047, 235655, 410713, 435235, 609329, 2053565, 2874991, 3046645, 9607991, 14374955, 48039955, 67255937, 336279685, 586087451, 2930437255, 4102612157, 20513060785]

約数ペア:

[(1, 20513060785), (5, 4102612157), (7, 2930437255), (35, 586087451), (61, 336279685), (305, 67255937), (427, 48039955), (1427, 14374955), (2135, 9607991), (6733, 3046645), (7135, 2874991), (9989, 2053565), (33665, 609329), (47131, 435235), (49945, 410713), (87047, 235655)]