20925099503

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1453

約数の個数: 64

約数和(自身を含む): 27531187200

約数和(自身を除く): 6606087697

約数列:

[1, 7, 11, 43, 49, 77, 101, 301, 343, 473, 539, 707, 1111, 1277, 2107, 3311, 3773, 4343, 4949, 7777, 8939, 14047, 14749, 23177, 30401, 34643, 47773, 54439, 54911, 62573, 98329, 128977, 162239, 212807, 334411, 381073, 384377, 438011, 604021, 688303, 902839, 1418747, 1489649, 2340877, 2690639, 4228147, 4818121, 5546011, 6319873, 9931229, 16386139, 18834473, 29597029, 38822077, 44239111, 61006121, 69518603, 207179203, 271754539, 427042847, 486630221, 1902281773, 2989299929, 20925099503]

約数ペア:

[(1, 20925099503), (7, 2989299929), (11, 1902281773), (43, 486630221), (49, 427042847), (77, 271754539), (101, 207179203), (301, 69518603), (343, 61006121), (473, 44239111), (539, 38822077), (707, 29597029), (1111, 18834473), (1277, 16386139), (2107, 9931229), (3311, 6319873), (3773, 5546011), (4343, 4818121), (4949, 4228147), (7777, 2690639), (8939, 2340877), (14047, 1489649), (14749, 1418747), (23177, 902839), (30401, 688303), (34643, 604021), (47773, 438011), (54439, 384377), (54911, 381073), (62573, 334411), (98329, 212807), (128977, 162239)]