20186901560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{71453}}^1$

素因数の和:72480

約数の個数: 64

約数和(自身を含む): 51961348800

約数和(自身を除く): 31774447240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1009, 2018, 4036, 5045, 7063, 8072, 10090, 14126, 20180, 28252, 35315, 40360, 56504, 70630, 71453, 141260, 142906, 282520, 285812, 357265, 500171, 571624, 714530, 1000342, 1429060, 2000684, 2500855, 2858120, 4001368, 5001710, 10003420, 20006840, 72096077, 144192154, 288384308, 360480385, 504672539, 576768616, 720960770, 1009345078, 1441921540, 2018690156, 2523362695, 2883843080, 4037380312, 5046725390, 10093450780, 20186901560]

約数ペア:

[(1, 20186901560), (2, 10093450780), (4, 5046725390), (5, 4037380312), (7, 2883843080), (8, 2523362695), (10, 2018690156), (14, 1441921540), (20, 1009345078), (28, 720960770), (35, 576768616), (40, 504672539), (56, 360480385), (70, 288384308), (140, 144192154), (280, 72096077), (1009, 20006840), (2018, 10003420), (4036, 5001710), (5045, 4001368), (7063, 2858120), (8072, 2500855), (10090, 2000684), (14126, 1429060), (20180, 1000342), (28252, 714530), (35315, 571624), (40360, 500171), (56504, 357265), (70630, 285812), (71453, 282520), (141260, 142906)]