20187463695

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1629

約数の個数: 96

約数和(自身を含む): 38146318848

約数和(自身を除く): 17958855153

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 197, 245, 321, 535, 591, 735, 749, 985, 1303, 1379, 1605, 2247, 2955, 3745, 3909, 4137, 5243, 6515, 6895, 9121, 9653, 11235, 15729, 19545, 20685, 21079, 26215, 27363, 28959, 45605, 48265, 63237, 63847, 78645, 105395, 136815, 139421, 144795, 147553, 191541, 256691, 316185, 319235, 418263, 442659, 697105, 737765, 770073, 957705, 975947, 1032871, 1283455, 1796837, 2091315, 2213295, 2927841, 3098613, 3850365, 4879735, 5164355, 5390511, 6831629, 8984185, 12577859, 14639205, 15493065, 20494887, 26952555, 27465937, 34158145, 37733577, 62889295, 82397811, 102474435, 137329685, 188667885, 192261559, 411989055, 576784677, 961307795, 1345830913, 2883923385, 4037492739, 6729154565, 20187463695]

約数ペア:

[(1, 20187463695), (3, 6729154565), (5, 4037492739), (7, 2883923385), (15, 1345830913), (21, 961307795), (35, 576784677), (49, 411989055), (105, 192261559), (107, 188667885), (147, 137329685), (197, 102474435), (245, 82397811), (321, 62889295), (535, 37733577), (591, 34158145), (735, 27465937), (749, 26952555), (985, 20494887), (1303, 15493065), (1379, 14639205), (1605, 12577859), (2247, 8984185), (2955, 6831629), (3745, 5390511), (3909, 5164355), (4137, 4879735), (5243, 3850365), (6515, 3098613), (6895, 2927841), (9121, 2213295), (9653, 2091315), (11235, 1796837), (15729, 1283455), (19545, 1032871), (20685, 975947), (21079, 957705), (26215, 770073), (27363, 737765), (28959, 697105), (45605, 442659), (48265, 418263), (63237, 319235), (63847, 316185), (78645, 256691), (105395, 191541), (136815, 147553), (139421, 144795)]