20565148028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{5437}}^1$

素因数の和:5934

約数の個数: 48

約数和(自身を含む): 38251762080

約数和(自身を除く): 17686614052

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 317, 628, 634, 1268, 2983, 5437, 5966, 6023, 10874, 11932, 12046, 21748, 24092, 49769, 99538, 103303, 199076, 206606, 413212, 853609, 945611, 1707218, 1723529, 1891222, 3414436, 3447058, 3782444, 6894116, 16218571, 32437142, 32747051, 64874284, 65494102, 130988204, 270594053, 541188106, 1082376212, 5141287007, 10282574014, 20565148028]

約数ペア:

[(1, 20565148028), (2, 10282574014), (4, 5141287007), (19, 1082376212), (38, 541188106), (76, 270594053), (157, 130988204), (314, 65494102), (317, 64874284), (628, 32747051), (634, 32437142), (1268, 16218571), (2983, 6894116), (5437, 3782444), (5966, 3447058), (6023, 3414436), (10874, 1891222), (11932, 1723529), (12046, 1707218), (21748, 945611), (24092, 853609), (49769, 413212), (99538, 206606), (103303, 199076)]