20347988402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{384403}}^1$

素因数の和:384630

約数の個数: 32

約数和(自身を含む): 36902784000

約数和(自身を除く): 16554795598

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 1393, 2786, 3781, 7562, 26467, 52934, 384403, 768806, 2690821, 5381642, 7303657, 14607314, 51125599, 76496197, 102251198, 152992394, 535473379, 1070946758, 1453427743, 2906855486, 10173994201, 20347988402]

約数ペア:

[(1, 20347988402), (2, 10173994201), (7, 2906855486), (14, 1453427743), (19, 1070946758), (38, 535473379), (133, 152992394), (199, 102251198), (266, 76496197), (398, 51125599), (1393, 14607314), (2786, 7303657), (3781, 5381642), (7562, 2690821), (26467, 768806), (52934, 384403)]