20307870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 58597344

約数和(自身を除く): 38289474

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 146, 165, 198, 219, 281, 330, 365, 438, 495, 562, 657, 730, 803, 843, 990, 1095, 1314, 1405, 1606, 1686, 2190, 2409, 2529, 2810, 3091, 3285, 4015, 4215, 4818, 5058, 6182, 6570, 7227, 8030, 8430, 9273, 12045, 12645, 14454, 15455, 18546, 20513, 24090, 25290, 27819, 30910, 36135, 41026, 46365, 55638, 61539, 72270, 92730, 102565, 123078, 139095, 184617, 205130, 225643, 278190, 307695, 369234, 451286, 615390, 676929, 923085, 1128215, 1353858, 1846170, 2030787, 2256430, 3384645, 4061574, 6769290, 10153935, 20307870]

約数ペア:

[(1, 20307870), (2, 10153935), (3, 6769290), (5, 4061574), (6, 3384645), (9, 2256430), (10, 2030787), (11, 1846170), (15, 1353858), (18, 1128215), (22, 923085), (30, 676929), (33, 615390), (45, 451286), (55, 369234), (66, 307695), (73, 278190), (90, 225643), (99, 205130), (110, 184617), (146, 139095), (165, 123078), (198, 102565), (219, 92730), (281, 72270), (330, 61539), (365, 55638), (438, 46365), (495, 41026), (562, 36135), (657, 30910), (730, 27819), (803, 25290), (843, 24090), (990, 20513), (1095, 18546), (1314, 15455), (1405, 14454), (1606, 12645), (1686, 12045), (2190, 9273), (2409, 8430), (2529, 8030), (2810, 7227), (3091, 6570), (3285, 6182), (4015, 5058), (4215, 4818)]