20165361020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{49823}}^1$

素因数の和:49912

約数の個数: 96

約数和(自身を含む): 50222592000

約数和(自身を除く): 30057230980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 343, 413, 490, 590, 686, 826, 980, 1180, 1372, 1652, 1715, 2065, 2891, 3430, 4130, 5782, 6860, 8260, 11564, 14455, 20237, 28910, 40474, 49823, 57820, 80948, 99646, 101185, 199292, 202370, 249115, 348761, 404740, 498230, 697522, 996460, 1395044, 1743805, 2441327, 2939557, 3487610, 4882654, 5879114, 6975220, 9765308, 11758228, 12206635, 14697785, 17089289, 20576899, 24413270, 29395570, 34178578, 41153798, 48826540, 58791140, 68357156, 82307596, 85446445, 102884495, 144038293, 170892890, 205768990, 288076586, 341785780, 411537980, 576153172, 720191465, 1008268051, 1440382930, 2016536102, 2880765860, 4033072204, 5041340255, 10082680510, 20165361020]

約数ペア:

[(1, 20165361020), (2, 10082680510), (4, 5041340255), (5, 4033072204), (7, 2880765860), (10, 2016536102), (14, 1440382930), (20, 1008268051), (28, 720191465), (35, 576153172), (49, 411537980), (59, 341785780), (70, 288076586), (98, 205768990), (118, 170892890), (140, 144038293), (196, 102884495), (236, 85446445), (245, 82307596), (295, 68357156), (343, 58791140), (413, 48826540), (490, 41153798), (590, 34178578), (686, 29395570), (826, 24413270), (980, 20576899), (1180, 17089289), (1372, 14697785), (1652, 12206635), (1715, 11758228), (2065, 9765308), (2891, 6975220), (3430, 5879114), (4130, 4882654), (5782, 3487610), (6860, 2939557), (8260, 2441327), (11564, 1743805), (14455, 1395044), (20237, 996460), (28910, 697522), (40474, 498230), (49823, 404740), (57820, 348761), (80948, 249115), (99646, 202370), (101185, 199292)]