20173586108

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{769}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 38681485920

約数和(自身を除く): 18507899812

約数列:

[1, 2, 4, 13, 26, 52, 151, 169, 257, 302, 338, 514, 604, 676, 769, 1028, 1538, 1963, 3076, 3341, 3926, 6682, 7852, 9997, 13364, 19994, 25519, 38807, 39988, 43433, 51038, 77614, 86866, 102076, 116119, 129961, 155228, 173732, 197633, 232238, 259922, 395266, 464476, 504491, 519844, 790532, 1008982, 1509547, 2017964, 2569229, 3019094, 5138458, 6038188, 6558383, 10276916, 13116766, 19624111, 26233532, 29842583, 33399977, 39248222, 59685166, 66799954, 78496444, 119370332, 133599908, 387953579, 775907158, 1551814316, 5043396527, 10086793054, 20173586108]

約数ペア:

[(1, 20173586108), (2, 10086793054), (4, 5043396527), (13, 1551814316), (26, 775907158), (52, 387953579), (151, 133599908), (169, 119370332), (257, 78496444), (302, 66799954), (338, 59685166), (514, 39248222), (604, 33399977), (676, 29842583), (769, 26233532), (1028, 19624111), (1538, 13116766), (1963, 10276916), (3076, 6558383), (3341, 6038188), (3926, 5138458), (6682, 3019094), (7852, 2569229), (9997, 2017964), (13364, 1509547), (19994, 1008982), (25519, 790532), (38807, 519844), (39988, 504491), (43433, 464476), (51038, 395266), (77614, 259922), (86866, 232238), (102076, 197633), (116119, 173732), (129961, 155228)]