20138041825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1\times {\mathrm{4111}}^1$

素因数の和:4558

約数の個数: 48

約数和(自身を含む): 27901071360

約数和(自身を除く): 7763029535

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 379, 517, 1175, 1895, 2585, 4111, 4169, 9475, 12925, 17813, 20555, 20845, 45221, 89065, 102775, 104225, 193217, 195943, 226105, 445325, 966085, 979715, 1130525, 1558069, 2125387, 4830425, 4898575, 7790345, 10626935, 17138759, 38951725, 53134675, 73229243, 85693795, 366146215, 428468975, 805521673, 1830731075, 4027608365, 20138041825]

約数ペア:

[(1, 20138041825), (5, 4027608365), (11, 1830731075), (25, 805521673), (47, 428468975), (55, 366146215), (235, 85693795), (275, 73229243), (379, 53134675), (517, 38951725), (1175, 17138759), (1895, 10626935), (2585, 7790345), (4111, 4898575), (4169, 4830425), (9475, 2125387), (12925, 1558069), (17813, 1130525), (20555, 979715), (20845, 966085), (45221, 445325), (89065, 226105), (102775, 195943), (104225, 193217)]