20205810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 52767936

約数和(自身を除く): 32562126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 347, 647, 694, 1041, 1294, 1735, 1941, 2082, 3123, 3235, 3470, 3882, 5205, 5823, 6246, 6470, 9705, 10410, 11646, 15615, 19410, 29115, 31230, 58230, 224509, 449018, 673527, 1122545, 1347054, 2020581, 2245090, 3367635, 4041162, 6735270, 10102905, 20205810]

約数ペア:

[(1, 20205810), (2, 10102905), (3, 6735270), (5, 4041162), (6, 3367635), (9, 2245090), (10, 2020581), (15, 1347054), (18, 1122545), (30, 673527), (45, 449018), (90, 224509), (347, 58230), (647, 31230), (694, 29115), (1041, 19410), (1294, 15615), (1735, 11646), (1941, 10410), (2082, 9705), (3123, 6470), (3235, 6246), (3470, 5823), (3882, 5205)]