20865762

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6779}}^1$

素因数の和:6812

約数の個数: 40

約数和(自身を含む): 49222800

約数和(自身を除く): 28357038

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6779, 13558, 20337, 40674, 61011, 122022, 128801, 183033, 257602, 366066, 386403, 549099, 772806, 1098198, 1159209, 2318418, 3477627, 6955254, 10432881, 20865762]

約数ペア:

[(1, 20865762), (2, 10432881), (3, 6955254), (6, 3477627), (9, 2318418), (18, 1159209), (19, 1098198), (27, 772806), (38, 549099), (54, 386403), (57, 366066), (81, 257602), (114, 183033), (162, 128801), (171, 122022), (342, 61011), (513, 40674), (1026, 20337), (1539, 13558), (3078, 6779)]