20121866748

素因数分解:

$2^2\times 3^6\times {\mathrm{61}}^1\times {\mathrm{113123}}^1$

素因数の和:113206

約数の個数: 84

約数和(自身を含む): 53661726888

約数和(自身を除く): 33539860140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 366, 486, 549, 729, 732, 972, 1098, 1458, 1647, 2196, 2916, 3294, 4941, 6588, 9882, 14823, 19764, 29646, 44469, 59292, 88938, 113123, 177876, 226246, 339369, 452492, 678738, 1018107, 1357476, 2036214, 3054321, 4072428, 6108642, 6900503, 9162963, 12217284, 13801006, 18325926, 20701509, 27488889, 27602012, 36651852, 41403018, 54977778, 62104527, 82466667, 82806036, 109955556, 124209054, 164933334, 186313581, 248418108, 329866668, 372627162, 558940743, 745254324, 1117881486, 1676822229, 2235762972, 3353644458, 5030466687, 6707288916, 10060933374, 20121866748]

約数ペア:

[(1, 20121866748), (2, 10060933374), (3, 6707288916), (4, 5030466687), (6, 3353644458), (9, 2235762972), (12, 1676822229), (18, 1117881486), (27, 745254324), (36, 558940743), (54, 372627162), (61, 329866668), (81, 248418108), (108, 186313581), (122, 164933334), (162, 124209054), (183, 109955556), (243, 82806036), (244, 82466667), (324, 62104527), (366, 54977778), (486, 41403018), (549, 36651852), (729, 27602012), (732, 27488889), (972, 20701509), (1098, 18325926), (1458, 13801006), (1647, 12217284), (2196, 9162963), (2916, 6900503), (3294, 6108642), (4941, 4072428), (6588, 3054321), (9882, 2036214), (14823, 1357476), (19764, 1018107), (29646, 678738), (44469, 452492), (59292, 339369), (88938, 226246), (113123, 177876)]