20452874820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1597}}^1\times {\mathrm{30493}}^1$

素因数の和:32109

約数の個数: 96

約数和(自身を含む): 65492329728

約数和(自身を除く): 45039454908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1597, 3194, 4791, 6388, 7985, 9582, 11179, 15970, 19164, 22358, 23955, 30493, 31940, 33537, 44716, 47910, 55895, 60986, 67074, 91479, 95820, 111790, 121972, 134148, 152465, 167685, 182958, 213451, 223580, 304930, 335370, 365916, 426902, 457395, 609860, 640353, 670740, 853804, 914790, 1067255, 1280706, 1829580, 2134510, 2561412, 3201765, 4269020, 6403530, 12807060, 48697321, 97394642, 146091963, 194789284, 243486605, 292183926, 340881247, 486973210, 584367852, 681762494, 730459815, 973946420, 1022643741, 1363524988, 1460919630, 1704406235, 2045287482, 2921839260, 3408812470, 4090574964, 5113218705, 6817624940, 10226437410, 20452874820]

約数ペア:

[(1, 20452874820), (2, 10226437410), (3, 6817624940), (4, 5113218705), (5, 4090574964), (6, 3408812470), (7, 2921839260), (10, 2045287482), (12, 1704406235), (14, 1460919630), (15, 1363524988), (20, 1022643741), (21, 973946420), (28, 730459815), (30, 681762494), (35, 584367852), (42, 486973210), (60, 340881247), (70, 292183926), (84, 243486605), (105, 194789284), (140, 146091963), (210, 97394642), (420, 48697321), (1597, 12807060), (3194, 6403530), (4791, 4269020), (6388, 3201765), (7985, 2561412), (9582, 2134510), (11179, 1829580), (15970, 1280706), (19164, 1067255), (22358, 914790), (23955, 853804), (30493, 670740), (31940, 640353), (33537, 609860), (44716, 457395), (47910, 426902), (55895, 365916), (60986, 335370), (67074, 304930), (91479, 223580), (95820, 213451), (111790, 182958), (121972, 167685), (134148, 152465)]