20170352440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4237469}}^1$

素因数の和:4237504

約数の個数: 64

約数和(自身を含む): 54917611200

約数和(自身を除く): 34747258760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 4237469, 8474938, 16949876, 21187345, 29662283, 33899752, 42374690, 59324566, 72036973, 84749380, 118649132, 144073946, 148311415, 169498760, 237298264, 288147892, 296622830, 360184865, 504258811, 576295784, 593245660, 720369730, 1008517622, 1186491320, 1440739460, 2017035244, 2521294055, 2881478920, 4034070488, 5042588110, 10085176220, 20170352440]

約数ペア:

[(1, 20170352440), (2, 10085176220), (4, 5042588110), (5, 4034070488), (7, 2881478920), (8, 2521294055), (10, 2017035244), (14, 1440739460), (17, 1186491320), (20, 1008517622), (28, 720369730), (34, 593245660), (35, 576295784), (40, 504258811), (56, 360184865), (68, 296622830), (70, 288147892), (85, 237298264), (119, 169498760), (136, 148311415), (140, 144073946), (170, 118649132), (238, 84749380), (280, 72036973), (340, 59324566), (476, 42374690), (595, 33899752), (680, 29662283), (952, 21187345), (1190, 16949876), (2380, 8474938), (4760, 4237469)]