16906780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 41674752

約数和(自身を除く): 24767972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 67, 74, 110, 124, 134, 148, 155, 185, 220, 268, 310, 335, 341, 370, 407, 620, 670, 682, 737, 740, 814, 1147, 1340, 1364, 1474, 1628, 1705, 2035, 2077, 2294, 2479, 2948, 3410, 3685, 4070, 4154, 4588, 4958, 5735, 6820, 7370, 8140, 8308, 9916, 10385, 11470, 12395, 12617, 14740, 20770, 22847, 22940, 24790, 25234, 27269, 41540, 45694, 49580, 50468, 54538, 63085, 76849, 91388, 109076, 114235, 126170, 136345, 153698, 228470, 252340, 272690, 307396, 384245, 456940, 545380, 768490, 845339, 1536980, 1690678, 3381356, 4226695, 8453390, 16906780]

約数ペア:

[(1, 16906780), (2, 8453390), (4, 4226695), (5, 3381356), (10, 1690678), (11, 1536980), (20, 845339), (22, 768490), (31, 545380), (37, 456940), (44, 384245), (55, 307396), (62, 272690), (67, 252340), (74, 228470), (110, 153698), (124, 136345), (134, 126170), (148, 114235), (155, 109076), (185, 91388), (220, 76849), (268, 63085), (310, 54538), (335, 50468), (341, 49580), (370, 45694), (407, 41540), (620, 27269), (670, 25234), (682, 24790), (737, 22940), (740, 22847), (814, 20770), (1147, 14740), (1340, 12617), (1364, 12395), (1474, 11470), (1628, 10385), (1705, 9916), (2035, 8308), (2077, 8140), (2294, 7370), (2479, 6820), (2948, 5735), (3410, 4958), (3685, 4588), (4070, 4154)]