20100690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 54172800

約数和(自身を除く): 34072110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 109, 135, 218, 270, 327, 545, 654, 683, 981, 1090, 1366, 1635, 1962, 2049, 2943, 3270, 3415, 4098, 4905, 5886, 6147, 6830, 9810, 10245, 12294, 14715, 18441, 20490, 29430, 30735, 36882, 61470, 74447, 92205, 148894, 184410, 223341, 372235, 446682, 670023, 744470, 1116705, 1340046, 2010069, 2233410, 3350115, 4020138, 6700230, 10050345, 20100690]

約数ペア:

[(1, 20100690), (2, 10050345), (3, 6700230), (5, 4020138), (6, 3350115), (9, 2233410), (10, 2010069), (15, 1340046), (18, 1116705), (27, 744470), (30, 670023), (45, 446682), (54, 372235), (90, 223341), (109, 184410), (135, 148894), (218, 92205), (270, 74447), (327, 61470), (545, 36882), (654, 30735), (683, 29430), (981, 20490), (1090, 18441), (1366, 14715), (1635, 12294), (1962, 10245), (2049, 9810), (2943, 6830), (3270, 6147), (3415, 5886), (4098, 4905)]