20197080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18701}}^1$

素因数の和:18721

約数の個数: 64

約数和(自身を含む): 67327200

約数和(自身を除く): 47130120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18701, 37402, 56103, 74804, 93505, 112206, 149608, 168309, 187010, 224412, 280515, 336618, 374020, 448824, 504927, 561030, 673236, 748040, 841545, 1009854, 1122060, 1346472, 1683090, 2019708, 2244120, 2524635, 3366180, 4039416, 5049270, 6732360, 10098540, 20197080]

約数ペア:

[(1, 20197080), (2, 10098540), (3, 6732360), (4, 5049270), (5, 4039416), (6, 3366180), (8, 2524635), (9, 2244120), (10, 2019708), (12, 1683090), (15, 1346472), (18, 1122060), (20, 1009854), (24, 841545), (27, 748040), (30, 673236), (36, 561030), (40, 504927), (45, 448824), (54, 374020), (60, 336618), (72, 280515), (90, 224412), (108, 187010), (120, 168309), (135, 149608), (180, 112206), (216, 93505), (270, 74804), (360, 56103), (540, 37402), (1080, 18701)]