20687557254

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{773251}}^1$

素因数の和:773290

約数の個数: 64

約数和(自身を含む): 51962534400

約数和(自身を除く): 31274977146

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 343, 546, 637, 686, 1029, 1274, 1911, 2058, 3822, 4459, 8918, 13377, 26754, 773251, 1546502, 2319753, 4639506, 5412757, 10052263, 10825514, 16238271, 20104526, 30156789, 32476542, 37889299, 60313578, 70365841, 75778598, 113667897, 140731682, 211097523, 227335794, 265225093, 422195046, 492560887, 530450186, 795675279, 985121774, 1477682661, 1591350558, 2955365322, 3447926209, 6895852418, 10343778627, 20687557254]

約数ペア:

[(1, 20687557254), (2, 10343778627), (3, 6895852418), (6, 3447926209), (7, 2955365322), (13, 1591350558), (14, 1477682661), (21, 985121774), (26, 795675279), (39, 530450186), (42, 492560887), (49, 422195046), (78, 265225093), (91, 227335794), (98, 211097523), (147, 140731682), (182, 113667897), (273, 75778598), (294, 70365841), (343, 60313578), (546, 37889299), (637, 32476542), (686, 30156789), (1029, 20104526), (1274, 16238271), (1911, 10825514), (2058, 10052263), (3822, 5412757), (4459, 4639506), (8918, 2319753), (13377, 1546502), (26754, 773251)]