20682216

素因数分解:

$2^3\times 3^5\times {\mathrm{10639}}^1$

素因数の和:10660

約数の個数: 48

約数和(自身を含む): 58094400

約数和(自身を除く): 37412184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10639, 21278, 31917, 42556, 63834, 85112, 95751, 127668, 191502, 255336, 287253, 383004, 574506, 766008, 861759, 1149012, 1723518, 2298024, 2585277, 3447036, 5170554, 6894072, 10341108, 20682216]

約数ペア:

[(1, 20682216), (2, 10341108), (3, 6894072), (4, 5170554), (6, 3447036), (8, 2585277), (9, 2298024), (12, 1723518), (18, 1149012), (24, 861759), (27, 766008), (36, 574506), (54, 383004), (72, 287253), (81, 255336), (108, 191502), (162, 127668), (216, 95751), (243, 85112), (324, 63834), (486, 42556), (648, 31917), (972, 21278), (1944, 10639)]