20864130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 58053888

約数和(自身を除く): 37189758

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1361, 1533, 2190, 2555, 2722, 3066, 4083, 5110, 6805, 7665, 8166, 9527, 13610, 15330, 19054, 20415, 28581, 40830, 47635, 57162, 95270, 99353, 142905, 198706, 285810, 298059, 496765, 596118, 695471, 993530, 1390942, 1490295, 2086413, 2980590, 3477355, 4172826, 6954710, 10432065, 20864130]

約数ペア:

[(1, 20864130), (2, 10432065), (3, 6954710), (5, 4172826), (6, 3477355), (7, 2980590), (10, 2086413), (14, 1490295), (15, 1390942), (21, 993530), (30, 695471), (35, 596118), (42, 496765), (70, 298059), (73, 285810), (105, 198706), (146, 142905), (210, 99353), (219, 95270), (365, 57162), (438, 47635), (511, 40830), (730, 28581), (1022, 20415), (1095, 19054), (1361, 15330), (1533, 13610), (2190, 9527), (2555, 8166), (2722, 7665), (3066, 6805), (4083, 5110)]