20456445310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1\times {\mathrm{5273}}^1$

素因数の和:5797

約数の個数: 64

約数和(自身を含む): 42477892992

約数和(自身を除く): 22021447682

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 353, 706, 785, 1099, 1570, 1765, 2198, 2471, 3530, 4942, 5273, 5495, 10546, 10990, 12355, 24710, 26365, 36911, 52730, 55421, 73822, 110842, 184555, 277105, 369110, 387947, 554210, 775894, 827861, 1655722, 1861369, 1939735, 3722738, 3879470, 4139305, 5795027, 8278610, 9306845, 11590054, 13029583, 18613690, 26059166, 28975135, 57950270, 65147915, 130295830, 292234933, 584469866, 1461174665, 2045644531, 2922349330, 4091289062, 10228222655, 20456445310]

約数ペア:

[(1, 20456445310), (2, 10228222655), (5, 4091289062), (7, 2922349330), (10, 2045644531), (14, 1461174665), (35, 584469866), (70, 292234933), (157, 130295830), (314, 65147915), (353, 57950270), (706, 28975135), (785, 26059166), (1099, 18613690), (1570, 13029583), (1765, 11590054), (2198, 9306845), (2471, 8278610), (3530, 5795027), (4942, 4139305), (5273, 3879470), (5495, 3722738), (10546, 1939735), (10990, 1861369), (12355, 1655722), (24710, 827861), (26365, 775894), (36911, 554210), (52730, 387947), (55421, 369110), (73822, 277105), (110842, 184555)]