20808220202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1\times {\mathrm{19163}}^1$

素因数の和:19835

約数の個数: 48

約数和(自身を含む): 39272095296

約数和(自身を除く): 18463875094

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 641, 847, 1282, 1694, 4487, 7051, 8974, 14102, 19163, 38326, 49357, 77561, 98714, 134141, 155122, 210793, 268282, 421586, 542927, 1085854, 1475551, 2318723, 2951102, 4637446, 12283483, 16231061, 24566966, 32462122, 85984381, 135118313, 171968762, 270236626, 945828191, 1486301443, 1891656382, 2972602886, 10404110101, 20808220202]

約数ペア:

[(1, 20808220202), (2, 10404110101), (7, 2972602886), (11, 1891656382), (14, 1486301443), (22, 945828191), (77, 270236626), (121, 171968762), (154, 135118313), (242, 85984381), (641, 32462122), (847, 24566966), (1282, 16231061), (1694, 12283483), (4487, 4637446), (7051, 2951102), (8974, 2318723), (14102, 1475551), (19163, 1085854), (38326, 542927), (49357, 421586), (77561, 268282), (98714, 210793), (134141, 155122)]