16671380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^2$

素因数の和:197

約数の個数: 54

約数和(自身を含む): 38951178

約数和(自身を除く): 22279798

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 332, 415, 484, 605, 830, 913, 1210, 1660, 1826, 2420, 3652, 4565, 6889, 9130, 10043, 13778, 18260, 20086, 27556, 34445, 40172, 50215, 68890, 75779, 100430, 137780, 151558, 200860, 303116, 378895, 757790, 833569, 1515580, 1667138, 3334276, 4167845, 8335690, 16671380]

約数ペア:

[(1, 16671380), (2, 8335690), (4, 4167845), (5, 3334276), (10, 1667138), (11, 1515580), (20, 833569), (22, 757790), (44, 378895), (55, 303116), (83, 200860), (110, 151558), (121, 137780), (166, 100430), (220, 75779), (242, 68890), (332, 50215), (415, 40172), (484, 34445), (605, 27556), (830, 20086), (913, 18260), (1210, 13778), (1660, 10043), (1826, 9130), (2420, 6889), (3652, 4565)]