20181427245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{122501}}^1$

素因数の和:123042

約数の個数: 48

約数和(自身を含む): 40055213952

約数和(自身を除く): 19873786707

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 523, 1569, 2615, 3661, 4707, 7845, 10983, 18305, 23535, 32949, 54915, 122501, 164745, 367503, 612505, 857507, 1102509, 1837515, 2572521, 4287535, 5512545, 7717563, 12862605, 38587815, 64068023, 192204069, 320340115, 448476161, 576612207, 961020345, 1345428483, 2242380805, 2883061035, 4036285449, 6727142415, 20181427245]

約数ペア:

[(1, 20181427245), (3, 6727142415), (5, 4036285449), (7, 2883061035), (9, 2242380805), (15, 1345428483), (21, 961020345), (35, 576612207), (45, 448476161), (63, 320340115), (105, 192204069), (315, 64068023), (523, 38587815), (1569, 12862605), (2615, 7717563), (3661, 5512545), (4707, 4287535), (7845, 2572521), (10983, 1837515), (18305, 1102509), (23535, 857507), (32949, 612505), (54915, 367503), (122501, 164745)]