20081946820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1309123}}^1$

素因数の和:1309204

約数の個数: 48

約数和(自身を含む): 46185894720

約数和(自身を除く): 26103947900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 7670, 15340, 1309123, 2618246, 5236492, 6545615, 13091230, 17018599, 26182460, 34037198, 68074396, 77238257, 85092995, 154476514, 170185990, 308953028, 340371980, 386191285, 772382570, 1004097341, 1544765140, 2008194682, 4016389364, 5020486705, 10040973410, 20081946820]

約数ペア:

[(1, 20081946820), (2, 10040973410), (4, 5020486705), (5, 4016389364), (10, 2008194682), (13, 1544765140), (20, 1004097341), (26, 772382570), (52, 386191285), (59, 340371980), (65, 308953028), (118, 170185990), (130, 154476514), (236, 85092995), (260, 77238257), (295, 68074396), (590, 34037198), (767, 26182460), (1180, 17018599), (1534, 13091230), (3068, 6545615), (3835, 5236492), (7670, 2618246), (15340, 1309123)]