20636370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 80

約数和(自身を含む): 56410200

約数和(自身を除く): 35773830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 81, 90, 135, 146, 162, 219, 270, 349, 365, 405, 438, 657, 698, 730, 810, 1047, 1095, 1314, 1745, 1971, 2094, 2190, 3141, 3285, 3490, 3942, 5235, 5913, 6282, 6570, 9423, 9855, 10470, 11826, 15705, 18846, 19710, 25477, 28269, 29565, 31410, 47115, 50954, 56538, 59130, 76431, 94230, 127385, 141345, 152862, 229293, 254770, 282690, 382155, 458586, 687879, 764310, 1146465, 1375758, 2063637, 2292930, 3439395, 4127274, 6878790, 10318185, 20636370]

約数ペア:

[(1, 20636370), (2, 10318185), (3, 6878790), (5, 4127274), (6, 3439395), (9, 2292930), (10, 2063637), (15, 1375758), (18, 1146465), (27, 764310), (30, 687879), (45, 458586), (54, 382155), (73, 282690), (81, 254770), (90, 229293), (135, 152862), (146, 141345), (162, 127385), (219, 94230), (270, 76431), (349, 59130), (365, 56538), (405, 50954), (438, 47115), (657, 31410), (698, 29565), (730, 28269), (810, 25477), (1047, 19710), (1095, 18846), (1314, 15705), (1745, 11826), (1971, 10470), (2094, 9855), (2190, 9423), (3141, 6570), (3285, 6282), (3490, 5913), (3942, 5235)]