20581577688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{353053}}^1$

素因数の和:353416

約数の個数: 64

約数和(自身を含む): 58974140160

約数和(自身を除く): 38392562472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 347, 694, 1041, 1388, 2082, 2429, 2776, 4164, 4858, 7287, 8328, 9716, 14574, 19432, 29148, 58296, 353053, 706106, 1059159, 1412212, 2118318, 2471371, 2824424, 4236636, 4942742, 7414113, 8473272, 9885484, 14828226, 19770968, 29656452, 59312904, 122509391, 245018782, 367528173, 490037564, 735056346, 857565737, 980075128, 1470112692, 1715131474, 2572697211, 2940225384, 3430262948, 5145394422, 6860525896, 10290788844, 20581577688]

約数ペア:

[(1, 20581577688), (2, 10290788844), (3, 6860525896), (4, 5145394422), (6, 3430262948), (7, 2940225384), (8, 2572697211), (12, 1715131474), (14, 1470112692), (21, 980075128), (24, 857565737), (28, 735056346), (42, 490037564), (56, 367528173), (84, 245018782), (168, 122509391), (347, 59312904), (694, 29656452), (1041, 19770968), (1388, 14828226), (2082, 9885484), (2429, 8473272), (2776, 7414113), (4164, 4942742), (4858, 4236636), (7287, 2824424), (8328, 2471371), (9716, 2118318), (14574, 1412212), (19432, 1059159), (29148, 706106), (58296, 353053)]