20898252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30553}}^1$

素因数の和:30582

約数の個数: 36

約数和(自身を含む): 55608280

約数和(自身を除く): 34710028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30553, 61106, 91659, 122212, 183318, 274977, 366636, 549954, 580507, 1099908, 1161014, 1741521, 2322028, 3483042, 5224563, 6966084, 10449126, 20898252]

約数ペア:

[(1, 20898252), (2, 10449126), (3, 6966084), (4, 5224563), (6, 3483042), (9, 2322028), (12, 1741521), (18, 1161014), (19, 1099908), (36, 580507), (38, 549954), (57, 366636), (76, 274977), (114, 183318), (171, 122212), (228, 91659), (342, 61106), (684, 30553)]