20030622535

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{821}}^1\times {\mathrm{823}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 30808941408

約数和(自身を除く): 10778318873

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 821, 823, 847, 2695, 4105, 4115, 4235, 5747, 5761, 5929, 9031, 9053, 28735, 28805, 29645, 40229, 40327, 45155, 45265, 63217, 63371, 99341, 99583, 201145, 201635, 316085, 316855, 442519, 443597, 496705, 497915, 675683, 695387, 697081, 2212595, 2217985, 3378415, 3476935, 3485405, 4729781, 4867709, 4879567, 7432513, 23648905, 24338545, 24397835, 33108467, 37162565, 52027591, 81757643, 165542335, 260137955, 364193137, 408788215, 572303501, 1820965685, 2861517505, 4006124507, 20030622535]

約数ペア:

[(1, 20030622535), (5, 4006124507), (7, 2861517505), (11, 1820965685), (35, 572303501), (49, 408788215), (55, 364193137), (77, 260137955), (121, 165542335), (245, 81757643), (385, 52027591), (539, 37162565), (605, 33108467), (821, 24397835), (823, 24338545), (847, 23648905), (2695, 7432513), (4105, 4879567), (4115, 4867709), (4235, 4729781), (5747, 3485405), (5761, 3476935), (5929, 3378415), (9031, 2217985), (9053, 2212595), (28735, 697081), (28805, 695387), (29645, 675683), (40229, 497915), (40327, 496705), (45155, 443597), (45265, 442519), (63217, 316855), (63371, 316085), (99341, 201635), (99583, 201145)]