20247948838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{1609}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 35229479040

約数和(自身を除く): 14981530202

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 401, 442, 802, 923, 1207, 1609, 1846, 2414, 3218, 5213, 6817, 10426, 13634, 15691, 20917, 27353, 28471, 31382, 41834, 54706, 56942, 88621, 114239, 177242, 228478, 355589, 370123, 484007, 645209, 711178, 740246, 968014, 1290418, 1485107, 1942063, 2970214, 3884126, 6292091, 8387717, 10968553, 12584182, 16775434, 21937106, 25246819, 45809839, 50493638, 91619678, 142591189, 285182378, 595527907, 778767263, 1191055814, 1557534526, 10123974419, 20247948838]

約数ペア:

[(1, 20247948838), (2, 10123974419), (13, 1557534526), (17, 1191055814), (26, 778767263), (34, 595527907), (71, 285182378), (142, 142591189), (221, 91619678), (401, 50493638), (442, 45809839), (802, 25246819), (923, 21937106), (1207, 16775434), (1609, 12584182), (1846, 10968553), (2414, 8387717), (3218, 6292091), (5213, 3884126), (6817, 2970214), (10426, 1942063), (13634, 1485107), (15691, 1290418), (20917, 968014), (27353, 740246), (28471, 711178), (31382, 645209), (41834, 484007), (54706, 370123), (56942, 355589), (88621, 228478), (114239, 177242)]