20798100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7703}}^1$

素因数の和:7726

約数の個数: 72

約数和(自身を含む): 66870720

約数和(自身を除く): 46072620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7703, 15406, 23109, 30812, 38515, 46218, 69327, 77030, 92436, 115545, 138654, 154060, 192575, 207981, 231090, 277308, 346635, 385150, 415962, 462180, 577725, 693270, 770300, 831924, 1039905, 1155450, 1386540, 1733175, 2079810, 2310900, 3466350, 4159620, 5199525, 6932700, 10399050, 20798100]

約数ペア:

[(1, 20798100), (2, 10399050), (3, 6932700), (4, 5199525), (5, 4159620), (6, 3466350), (9, 2310900), (10, 2079810), (12, 1733175), (15, 1386540), (18, 1155450), (20, 1039905), (25, 831924), (27, 770300), (30, 693270), (36, 577725), (45, 462180), (50, 415962), (54, 385150), (60, 346635), (75, 277308), (90, 231090), (100, 207981), (108, 192575), (135, 154060), (150, 138654), (180, 115545), (225, 92436), (270, 77030), (300, 69327), (450, 46218), (540, 38515), (675, 30812), (900, 23109), (1350, 15406), (2700, 7703)]