20257440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6029}}^1$

素因数の和:6054

約数の個数: 96

約数和(自身を含む): 72938880

約数和(自身を除く): 52681440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6029, 12058, 18087, 24116, 30145, 36174, 42203, 48232, 60290, 72348, 84406, 90435, 96464, 120580, 126609, 144696, 168812, 180870, 192928, 211015, 241160, 253218, 289392, 337624, 361740, 422030, 482320, 506436, 578784, 633045, 675248, 723480, 844060, 964640, 1012872, 1266090, 1350496, 1446960, 1688120, 2025744, 2532180, 2893920, 3376240, 4051488, 5064360, 6752480, 10128720, 20257440]

約数ペア:

[(1, 20257440), (2, 10128720), (3, 6752480), (4, 5064360), (5, 4051488), (6, 3376240), (7, 2893920), (8, 2532180), (10, 2025744), (12, 1688120), (14, 1446960), (15, 1350496), (16, 1266090), (20, 1012872), (21, 964640), (24, 844060), (28, 723480), (30, 675248), (32, 633045), (35, 578784), (40, 506436), (42, 482320), (48, 422030), (56, 361740), (60, 337624), (70, 289392), (80, 253218), (84, 241160), (96, 211015), (105, 192928), (112, 180870), (120, 168812), (140, 144696), (160, 126609), (168, 120580), (210, 96464), (224, 90435), (240, 84406), (280, 72348), (336, 60290), (420, 48232), (480, 42203), (560, 36174), (672, 30145), (840, 24116), (1120, 18087), (1680, 12058), (3360, 6029)]