20508720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85453}}^1$

素因数の和:85469

約数の個数: 40

約数和(自身を含む): 63577776

約数和(自身を除く): 43069056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85453, 170906, 256359, 341812, 427265, 512718, 683624, 854530, 1025436, 1281795, 1367248, 1709060, 2050872, 2563590, 3418120, 4101744, 5127180, 6836240, 10254360, 20508720]

約数ペア:

[(1, 20508720), (2, 10254360), (3, 6836240), (4, 5127180), (5, 4101744), (6, 3418120), (8, 2563590), (10, 2050872), (12, 1709060), (15, 1367248), (16, 1281795), (20, 1025436), (24, 854530), (30, 683624), (40, 512718), (48, 427265), (60, 341812), (80, 256359), (120, 170906), (240, 85453)]