20020691810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{7559}}^1$

素因数の和:7971

約数の個数: 64

約数和(自身を含む): 41625239040

約数和(自身を除く): 21604547230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 241, 314, 482, 785, 1099, 1205, 1570, 1687, 2198, 2410, 3374, 5495, 7559, 8435, 10990, 15118, 16870, 37795, 37837, 52913, 75590, 75674, 105826, 189185, 264565, 264859, 378370, 529130, 529718, 1186763, 1324295, 1821719, 2373526, 2648590, 3643438, 5933815, 8307341, 9108595, 11867630, 12752033, 16614682, 18217190, 25504066, 41536705, 63760165, 83073410, 127520330, 286009883, 572019766, 1430049415, 2002069181, 2860098830, 4004138362, 10010345905, 20020691810]

約数ペア:

[(1, 20020691810), (2, 10010345905), (5, 4004138362), (7, 2860098830), (10, 2002069181), (14, 1430049415), (35, 572019766), (70, 286009883), (157, 127520330), (241, 83073410), (314, 63760165), (482, 41536705), (785, 25504066), (1099, 18217190), (1205, 16614682), (1570, 12752033), (1687, 11867630), (2198, 9108595), (2410, 8307341), (3374, 5933815), (5495, 3643438), (7559, 2648590), (8435, 2373526), (10990, 1821719), (15118, 1324295), (16870, 1186763), (37795, 529718), (37837, 529130), (52913, 378370), (75590, 264859), (75674, 264565), (105826, 189185)]