20922090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1571

約数の個数: 64

約数和(自身を含む): 58281984

約数和(自身を除く): 37359894

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1487, 2010, 2345, 2814, 2974, 4461, 4690, 7035, 7435, 8922, 10409, 14070, 14870, 20818, 22305, 31227, 44610, 52045, 62454, 99629, 104090, 156135, 199258, 298887, 312270, 498145, 597774, 697403, 996290, 1394806, 1494435, 2092209, 2988870, 3487015, 4184418, 6974030, 10461045, 20922090]

約数ペア:

[(1, 20922090), (2, 10461045), (3, 6974030), (5, 4184418), (6, 3487015), (7, 2988870), (10, 2092209), (14, 1494435), (15, 1394806), (21, 996290), (30, 697403), (35, 597774), (42, 498145), (67, 312270), (70, 298887), (105, 199258), (134, 156135), (201, 104090), (210, 99629), (335, 62454), (402, 52045), (469, 44610), (670, 31227), (938, 22305), (1005, 20818), (1407, 14870), (1487, 14070), (2010, 10409), (2345, 8922), (2814, 7435), (2974, 7035), (4461, 4690)]