20111243945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{241}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 27037378368

約数和(自身を除く): 6926134423

約数列:

[1, 5, 13, 41, 65, 173, 181, 205, 241, 533, 865, 905, 1205, 2249, 2353, 2665, 3133, 7093, 7421, 9881, 11245, 11765, 15665, 31313, 35465, 37105, 41693, 43621, 49405, 92209, 96473, 128453, 156565, 208465, 218105, 407069, 461045, 482365, 542009, 567073, 642265, 1283833, 1709413, 1788461, 2035345, 2710045, 2835365, 6419165, 7546433, 8547065, 8942305, 16689829, 22222369, 23249993, 37732165, 83449145, 98103629, 111111845, 116249965, 309403753, 490518145, 1547018765, 4022248789, 20111243945]

約数ペア:

[(1, 20111243945), (5, 4022248789), (13, 1547018765), (41, 490518145), (65, 309403753), (173, 116249965), (181, 111111845), (205, 98103629), (241, 83449145), (533, 37732165), (865, 23249993), (905, 22222369), (1205, 16689829), (2249, 8942305), (2353, 8547065), (2665, 7546433), (3133, 6419165), (7093, 2835365), (7421, 2710045), (9881, 2035345), (11245, 1788461), (11765, 1709413), (15665, 1283833), (31313, 642265), (35465, 567073), (37105, 542009), (41693, 482365), (43621, 461045), (49405, 407069), (92209, 218105), (96473, 208465), (128453, 156565)]