20178013376

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{37799}}^1$

素因数の和:38269

約数の個数: 56

約数和(自身を含む): 42245280000

約数和(自身を除く): 22067266624

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 439, 608, 878, 1216, 1756, 3512, 7024, 8341, 14048, 16682, 28096, 33364, 37799, 66728, 75598, 133456, 151196, 266912, 302392, 533824, 604784, 718181, 1209568, 1436362, 2419136, 2872724, 5745448, 11490896, 16593761, 22981792, 33187522, 45963584, 66375044, 132750088, 265500176, 315281459, 531000352, 630562918, 1062000704, 1261125836, 2522251672, 5044503344, 10089006688, 20178013376]

約数ペア:

[(1, 20178013376), (2, 10089006688), (4, 5044503344), (8, 2522251672), (16, 1261125836), (19, 1062000704), (32, 630562918), (38, 531000352), (64, 315281459), (76, 265500176), (152, 132750088), (304, 66375044), (439, 45963584), (608, 33187522), (878, 22981792), (1216, 16593761), (1756, 11490896), (3512, 5745448), (7024, 2872724), (8341, 2419136), (14048, 1436362), (16682, 1209568), (28096, 718181), (33364, 604784), (37799, 533824), (66728, 302392), (75598, 266912), (133456, 151196)]