20860974

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 47982480

約数和(自身を除く): 27121506

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 181, 337, 342, 362, 543, 674, 1011, 1086, 1629, 2022, 3033, 3258, 3439, 6066, 6403, 6878, 10317, 12806, 19209, 20634, 30951, 38418, 57627, 60997, 61902, 115254, 121994, 182991, 365982, 548973, 1097946, 1158943, 2317886, 3476829, 6953658, 10430487, 20860974]

約数ペア:

[(1, 20860974), (2, 10430487), (3, 6953658), (6, 3476829), (9, 2317886), (18, 1158943), (19, 1097946), (38, 548973), (57, 365982), (114, 182991), (171, 121994), (181, 115254), (337, 61902), (342, 60997), (362, 57627), (543, 38418), (674, 30951), (1011, 20634), (1086, 19209), (1629, 12806), (2022, 10317), (3033, 6878), (3258, 6403), (3439, 6066)]