20451877972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{7019}}^1$

素因数の和:7336

約数の個数: 48

約数和(自身を含む): 37232395200

約数和(自身を除く): 16780517228

約数列:

[1, 2, 4, 41, 82, 109, 163, 164, 218, 326, 436, 652, 4469, 6683, 7019, 8938, 13366, 14038, 17767, 17876, 26732, 28076, 35534, 71068, 287779, 575558, 728447, 765071, 1144097, 1151116, 1456894, 1530142, 2288194, 2913788, 3060284, 4576388, 31367911, 46907977, 62735822, 93815954, 124706573, 125471644, 187631908, 249413146, 498826292, 5112969493, 10225938986, 20451877972]

約数ペア:

[(1, 20451877972), (2, 10225938986), (4, 5112969493), (41, 498826292), (82, 249413146), (109, 187631908), (163, 125471644), (164, 124706573), (218, 93815954), (326, 62735822), (436, 46907977), (652, 31367911), (4469, 4576388), (6683, 3060284), (7019, 2913788), (8938, 2288194), (13366, 1530142), (14038, 1456894), (17767, 1151116), (17876, 1144097), (26732, 765071), (28076, 728447), (35534, 575558), (71068, 287779)]