20587560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24509}}^1$

素因数の和:24530

約数の個数: 64

約数和(自身を含む): 70588800

約数和(自身を除く): 50001240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24509, 49018, 73527, 98036, 122545, 147054, 171563, 196072, 245090, 294108, 343126, 367635, 490180, 514689, 588216, 686252, 735270, 857815, 980360, 1029378, 1372504, 1470540, 1715630, 2058756, 2573445, 2941080, 3431260, 4117512, 5146890, 6862520, 10293780, 20587560]

約数ペア:

[(1, 20587560), (2, 10293780), (3, 6862520), (4, 5146890), (5, 4117512), (6, 3431260), (7, 2941080), (8, 2573445), (10, 2058756), (12, 1715630), (14, 1470540), (15, 1372504), (20, 1029378), (21, 980360), (24, 857815), (28, 735270), (30, 686252), (35, 588216), (40, 514689), (42, 490180), (56, 367635), (60, 343126), (70, 294108), (84, 245090), (105, 196072), (120, 171563), (140, 147054), (168, 122545), (210, 98036), (280, 73527), (420, 49018), (840, 24509)]