20403164025

素因数分解:

$3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{897829}}^1$

素因数の和:897946

約数の個数: 36

約数和(自身を含む): 36906199980

約数和(自身を除く): 16503035955

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 101, 225, 303, 505, 909, 1515, 2525, 4545, 7575, 22725, 897829, 2693487, 4489145, 8080461, 13467435, 22445725, 40402305, 67337175, 90680729, 202011525, 272042187, 453403645, 816126561, 1360210935, 2267018225, 4080632805, 6801054675, 20403164025]

約数ペア:

[(1, 20403164025), (3, 6801054675), (5, 4080632805), (9, 2267018225), (15, 1360210935), (25, 816126561), (45, 453403645), (75, 272042187), (101, 202011525), (225, 90680729), (303, 67337175), (505, 40402305), (909, 22445725), (1515, 13467435), (2525, 8080461), (4545, 4489145), (7575, 2693487), (22725, 897829)]