20649510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 41688090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 73, 90, 105, 126, 146, 210, 219, 315, 365, 438, 449, 511, 630, 657, 730, 898, 1022, 1095, 1314, 1347, 1533, 2190, 2245, 2555, 2694, 3066, 3143, 3285, 4041, 4490, 4599, 5110, 6286, 6570, 6735, 7665, 8082, 9198, 9429, 13470, 15330, 15715, 18858, 20205, 22995, 28287, 31430, 32777, 40410, 45990, 47145, 56574, 65554, 94290, 98331, 141435, 163885, 196662, 229439, 282870, 294993, 327770, 458878, 491655, 589986, 688317, 983310, 1147195, 1376634, 1474965, 2064951, 2294390, 2949930, 3441585, 4129902, 6883170, 10324755, 20649510]

約数ペア:

[(1, 20649510), (2, 10324755), (3, 6883170), (5, 4129902), (6, 3441585), (7, 2949930), (9, 2294390), (10, 2064951), (14, 1474965), (15, 1376634), (18, 1147195), (21, 983310), (30, 688317), (35, 589986), (42, 491655), (45, 458878), (63, 327770), (70, 294993), (73, 282870), (90, 229439), (105, 196662), (126, 163885), (146, 141435), (210, 98331), (219, 94290), (315, 65554), (365, 56574), (438, 47145), (449, 45990), (511, 40410), (630, 32777), (657, 31430), (730, 28287), (898, 22995), (1022, 20205), (1095, 18858), (1314, 15715), (1347, 15330), (1533, 13470), (2190, 9429), (2245, 9198), (2555, 8082), (2694, 7665), (3066, 6735), (3143, 6570), (3285, 6286), (4041, 5110), (4490, 4599)]