20859642

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 47385000

約数和(自身を除く): 26525358

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 89, 174, 178, 261, 267, 449, 522, 534, 801, 898, 1347, 1602, 2581, 2694, 4041, 5162, 7743, 8082, 13021, 15486, 23229, 26042, 39063, 39961, 46458, 78126, 79922, 117189, 119883, 234378, 239766, 359649, 719298, 1158869, 2317738, 3476607, 6953214, 10429821, 20859642]

約数ペア:

[(1, 20859642), (2, 10429821), (3, 6953214), (6, 3476607), (9, 2317738), (18, 1158869), (29, 719298), (58, 359649), (87, 239766), (89, 234378), (174, 119883), (178, 117189), (261, 79922), (267, 78126), (449, 46458), (522, 39961), (534, 39063), (801, 26042), (898, 23229), (1347, 15486), (1602, 13021), (2581, 8082), (2694, 7743), (4041, 5162)]