20211396478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2322

約数の個数: 96

約数和(自身を含む): 38741656320

約数和(自身を除く): 18530259842

約数列:

[1, 2, 7, 13, 14, 26, 59, 67, 91, 118, 134, 169, 182, 338, 413, 469, 767, 826, 871, 938, 1183, 1534, 1742, 2161, 2366, 3953, 4322, 5369, 6097, 7906, 9971, 10738, 11323, 12194, 15127, 19942, 22646, 27671, 28093, 30254, 51389, 55342, 56186, 69797, 79261, 102778, 127499, 139594, 144787, 158522, 196651, 254998, 289574, 359723, 365209, 393302, 668057, 719446, 730418, 892493, 1013509, 1336114, 1657487, 1784986, 1882231, 2027018, 2556463, 3314974, 3764462, 4676399, 5112926, 8542433, 9352798, 11602409, 13175617, 17084866, 21547331, 23204818, 24469003, 26351234, 43094662, 48938006, 59797031, 111051629, 119594062, 150831317, 171283021, 222103258, 301662634, 342566042, 777361403, 1443671177, 1554722806, 2887342354, 10105698239, 20211396478]

約数ペア:

[(1, 20211396478), (2, 10105698239), (7, 2887342354), (13, 1554722806), (14, 1443671177), (26, 777361403), (59, 342566042), (67, 301662634), (91, 222103258), (118, 171283021), (134, 150831317), (169, 119594062), (182, 111051629), (338, 59797031), (413, 48938006), (469, 43094662), (767, 26351234), (826, 24469003), (871, 23204818), (938, 21547331), (1183, 17084866), (1534, 13175617), (1742, 11602409), (2161, 9352798), (2366, 8542433), (3953, 5112926), (4322, 4676399), (5369, 3764462), (6097, 3314974), (7906, 2556463), (9971, 2027018), (10738, 1882231), (11323, 1784986), (12194, 1657487), (15127, 1336114), (19942, 1013509), (22646, 892493), (27671, 730418), (28093, 719446), (30254, 668057), (51389, 393302), (55342, 365209), (56186, 359723), (69797, 289574), (79261, 254998), (102778, 196651), (127499, 158522), (139594, 144787)]