20121008530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{8677}}^1$

素因数の和:9059

約数の個数: 64

約数和(自身を含む): 41857673472

約数和(自身を除く): 21736664942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 211, 314, 422, 785, 1055, 1099, 1477, 1570, 2110, 2198, 2954, 5495, 7385, 8677, 10990, 14770, 17354, 33127, 43385, 60739, 66254, 86770, 121478, 165635, 231889, 303695, 331270, 463778, 607390, 1159445, 1362289, 1830847, 2318890, 2724578, 3661694, 6811445, 9154235, 9536023, 12815929, 13622890, 18308470, 19072046, 25631858, 47680115, 64079645, 95360230, 128159290, 287442979, 574885958, 1437214895, 2012100853, 2874429790, 4024201706, 10060504265, 20121008530]

約数ペア:

[(1, 20121008530), (2, 10060504265), (5, 4024201706), (7, 2874429790), (10, 2012100853), (14, 1437214895), (35, 574885958), (70, 287442979), (157, 128159290), (211, 95360230), (314, 64079645), (422, 47680115), (785, 25631858), (1055, 19072046), (1099, 18308470), (1477, 13622890), (1570, 12815929), (2110, 9536023), (2198, 9154235), (2954, 6811445), (5495, 3661694), (7385, 2724578), (8677, 2318890), (10990, 1830847), (14770, 1362289), (17354, 1159445), (33127, 607390), (43385, 463778), (60739, 331270), (66254, 303695), (86770, 231889), (121478, 165635)]