20121019893

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1193}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 34317279360

約数和(自身を除く): 14196259467

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 281, 351, 513, 741, 843, 1053, 1193, 1539, 2223, 2529, 3159, 3579, 3653, 4617, 5339, 6669, 7587, 10737, 10959, 15509, 16017, 20007, 22667, 22761, 32211, 32877, 46527, 48051, 60021, 68001, 68283, 69407, 96633, 98631, 139581, 144153, 204003, 208221, 289899, 294671, 295893, 335233, 418743, 432459, 612009, 624663, 884013, 887679, 1005699, 1256229, 1297377, 1836027, 1873989, 2652039, 3017097, 3768687, 4358029, 5508081, 5621967, 6369427, 7956117, 9051291, 13074087, 16865901, 19108281, 23868351, 27153873, 39222261, 57324843, 71605053, 81461619, 82802551, 117666783, 171974529, 248407653, 353000349, 515923587, 745222959, 1059001047, 1547770761, 2235668877, 6707006631, 20121019893]

約数ペア:

[(1, 20121019893), (3, 6707006631), (9, 2235668877), (13, 1547770761), (19, 1059001047), (27, 745222959), (39, 515923587), (57, 353000349), (81, 248407653), (117, 171974529), (171, 117666783), (243, 82802551), (247, 81461619), (281, 71605053), (351, 57324843), (513, 39222261), (741, 27153873), (843, 23868351), (1053, 19108281), (1193, 16865901), (1539, 13074087), (2223, 9051291), (2529, 7956117), (3159, 6369427), (3579, 5621967), (3653, 5508081), (4617, 4358029), (5339, 3768687), (6669, 3017097), (7587, 2652039), (10737, 1873989), (10959, 1836027), (15509, 1297377), (16017, 1256229), (20007, 1005699), (22667, 887679), (22761, 884013), (32211, 624663), (32877, 612009), (46527, 432459), (48051, 418743), (60021, 335233), (68001, 295893), (68283, 294671), (69407, 289899), (96633, 208221), (98631, 204003), (139581, 144153)]