20166418454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1\times {\mathrm{811}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 37480568832

約数和(自身を除く): 17314150378

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 317, 431, 634, 811, 862, 1622, 2219, 3017, 4121, 4438, 5603, 5677, 6034, 8242, 10543, 11206, 11354, 21086, 28847, 39221, 57694, 73801, 78442, 136627, 147602, 257087, 273254, 349541, 514174, 699082, 956389, 1776151, 1799609, 1912778, 2446787, 3342131, 3552302, 3599218, 4544033, 4893574, 6684262, 9088066, 12433057, 23394917, 24866114, 31808231, 46789834, 63616462, 110804497, 221608994, 775631479, 1440458461, 1551262958, 2880916922, 10083209227, 20166418454]

約数ペア:

[(1, 20166418454), (2, 10083209227), (7, 2880916922), (13, 1551262958), (14, 1440458461), (26, 775631479), (91, 221608994), (182, 110804497), (317, 63616462), (431, 46789834), (634, 31808231), (811, 24866114), (862, 23394917), (1622, 12433057), (2219, 9088066), (3017, 6684262), (4121, 4893574), (4438, 4544033), (5603, 3599218), (5677, 3552302), (6034, 3342131), (8242, 2446787), (10543, 1912778), (11206, 1799609), (11354, 1776151), (21086, 956389), (28847, 699082), (39221, 514174), (57694, 349541), (73801, 273254), (78442, 257087), (136627, 147602)]