20719565318

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{977}}^1\times {\mathrm{1321}}^1$

素因数の和:2672

約数の個数: 32

約数和(自身を含む): 32581483200

約数和(自身を除く): 11861917882

約数列:

[1, 2, 23, 46, 349, 698, 977, 1321, 1954, 2642, 8027, 16054, 22471, 30383, 44942, 60766, 340973, 461029, 681946, 922058, 1290617, 2581234, 7842379, 10603667, 15684758, 21207334, 29684191, 59368382, 450425333, 900850666, 10359782659, 20719565318]

約数ペア:

[(1, 20719565318), (2, 10359782659), (23, 900850666), (46, 450425333), (349, 59368382), (698, 29684191), (977, 21207334), (1321, 15684758), (1954, 10603667), (2642, 7842379), (8027, 2581234), (16054, 1290617), (22471, 922058), (30383, 681946), (44942, 461029), (60766, 340973)]