20152188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{379}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 58647680

約数和(自身を除く): 38495492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 379, 422, 633, 758, 844, 1137, 1266, 1477, 1516, 1899, 2274, 2532, 2653, 2954, 3411, 3798, 4431, 4548, 5306, 5908, 6822, 7596, 7959, 8862, 10612, 13293, 13644, 15918, 17724, 23877, 26586, 31836, 47754, 53172, 79969, 95508, 159938, 239907, 319876, 479814, 559783, 719721, 959628, 1119566, 1439442, 1679349, 2239132, 2878884, 3358698, 5038047, 6717396, 10076094, 20152188]

約数ペア:

[(1, 20152188), (2, 10076094), (3, 6717396), (4, 5038047), (6, 3358698), (7, 2878884), (9, 2239132), (12, 1679349), (14, 1439442), (18, 1119566), (21, 959628), (28, 719721), (36, 559783), (42, 479814), (63, 319876), (84, 239907), (126, 159938), (211, 95508), (252, 79969), (379, 53172), (422, 47754), (633, 31836), (758, 26586), (844, 23877), (1137, 17724), (1266, 15918), (1477, 13644), (1516, 13293), (1899, 10612), (2274, 8862), (2532, 7959), (2653, 7596), (2954, 6822), (3411, 5908), (3798, 5306), (4431, 4548)]