20331558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 32739642

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 117, 153, 171, 221, 234, 247, 269, 306, 323, 342, 442, 494, 538, 646, 663, 741, 807, 969, 1326, 1482, 1614, 1938, 1989, 2223, 2421, 2907, 3497, 3978, 4199, 4446, 4573, 4842, 5111, 5814, 6994, 8398, 9146, 10222, 10491, 12597, 13719, 15333, 20982, 25194, 27438, 30666, 31473, 37791, 41157, 45999, 59449, 62946, 66443, 75582, 82314, 86887, 91998, 118898, 132886, 173774, 178347, 199329, 260661, 356694, 398658, 521322, 535041, 597987, 781983, 1070082, 1129531, 1195974, 1563966, 2259062, 3388593, 6777186, 10165779, 20331558]

約数ペア:

[(1, 20331558), (2, 10165779), (3, 6777186), (6, 3388593), (9, 2259062), (13, 1563966), (17, 1195974), (18, 1129531), (19, 1070082), (26, 781983), (34, 597987), (38, 535041), (39, 521322), (51, 398658), (57, 356694), (78, 260661), (102, 199329), (114, 178347), (117, 173774), (153, 132886), (171, 118898), (221, 91998), (234, 86887), (247, 82314), (269, 75582), (306, 66443), (323, 62946), (342, 59449), (442, 45999), (494, 41157), (538, 37791), (646, 31473), (663, 30666), (741, 27438), (807, 25194), (969, 20982), (1326, 15333), (1482, 13719), (1614, 12597), (1938, 10491), (1989, 10222), (2223, 9146), (2421, 8398), (2907, 6994), (3497, 5814), (3978, 5111), (4199, 4842), (4446, 4573)]