20970320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37447}}^1$

素因数の和:37467

約数の個数: 40

約数和(自身を含む): 55722624

約数和(自身を除く): 34752304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37447, 74894, 149788, 187235, 262129, 299576, 374470, 524258, 599152, 748940, 1048516, 1310645, 1497880, 2097032, 2621290, 2995760, 4194064, 5242580, 10485160, 20970320]

約数ペア:

[(1, 20970320), (2, 10485160), (4, 5242580), (5, 4194064), (7, 2995760), (8, 2621290), (10, 2097032), (14, 1497880), (16, 1310645), (20, 1048516), (28, 748940), (35, 599152), (40, 524258), (56, 374470), (70, 299576), (80, 262129), (112, 187235), (140, 149788), (280, 74894), (560, 37447)]