20237664860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{296827}}^1$

素因数の和:297330

約数の個数: 48

約数和(自身を含む): 48670293504

約数和(自身を除く): 28432628644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1948, 2435, 3409, 4870, 6818, 9740, 13636, 17045, 34090, 68180, 296827, 593654, 1187308, 1484135, 2077789, 2968270, 4155578, 5936540, 8311156, 10388945, 20777890, 41555780, 144554749, 289109498, 578218996, 722773745, 1011883243, 1445547490, 2023766486, 2891094980, 4047532972, 5059416215, 10118832430, 20237664860]

約数ペア:

[(1, 20237664860), (2, 10118832430), (4, 5059416215), (5, 4047532972), (7, 2891094980), (10, 2023766486), (14, 1445547490), (20, 1011883243), (28, 722773745), (35, 578218996), (70, 289109498), (140, 144554749), (487, 41555780), (974, 20777890), (1948, 10388945), (2435, 8311156), (3409, 5936540), (4870, 4155578), (6818, 2968270), (9740, 2077789), (13636, 1484135), (17045, 1187308), (34090, 593654), (68180, 296827)]