20194696821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 30133635840

約数和(自身を除く): 9938939019

約数列:

[1, 3, 13, 39, 41, 123, 131, 229, 393, 421, 533, 687, 1263, 1599, 1703, 2977, 5109, 5371, 5473, 8931, 9389, 16113, 16419, 17261, 28167, 29999, 51783, 55151, 69823, 89997, 96409, 122057, 165453, 209469, 224393, 289227, 366171, 389987, 673179, 716963, 1169961, 1229959, 1253317, 2150889, 2261191, 3689877, 3759951, 3952769, 6783573, 11858307, 12629579, 15989467, 29395483, 37888737, 47968401, 51385997, 88186449, 154157991, 164184527, 492553581, 517812739, 1553438217, 6731565607, 20194696821]

約数ペア:

[(1, 20194696821), (3, 6731565607), (13, 1553438217), (39, 517812739), (41, 492553581), (123, 164184527), (131, 154157991), (229, 88186449), (393, 51385997), (421, 47968401), (533, 37888737), (687, 29395483), (1263, 15989467), (1599, 12629579), (1703, 11858307), (2977, 6783573), (5109, 3952769), (5371, 3759951), (5473, 3689877), (8931, 2261191), (9389, 2150889), (16113, 1253317), (16419, 1229959), (17261, 1169961), (28167, 716963), (29999, 673179), (51783, 389987), (55151, 366171), (69823, 289227), (89997, 224393), (96409, 209469), (122057, 165453)]