20299290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 33355110

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 137, 165, 274, 330, 411, 449, 685, 822, 898, 1347, 1370, 1507, 2055, 2245, 2694, 3014, 4110, 4490, 4521, 4939, 6735, 7535, 9042, 9878, 13470, 14817, 15070, 22605, 24695, 29634, 45210, 49390, 61513, 74085, 123026, 148170, 184539, 307565, 369078, 615130, 676643, 922695, 1353286, 1845390, 2029929, 3383215, 4059858, 6766430, 10149645, 20299290]

約数ペア:

[(1, 20299290), (2, 10149645), (3, 6766430), (5, 4059858), (6, 3383215), (10, 2029929), (11, 1845390), (15, 1353286), (22, 922695), (30, 676643), (33, 615130), (55, 369078), (66, 307565), (110, 184539), (137, 148170), (165, 123026), (274, 74085), (330, 61513), (411, 49390), (449, 45210), (685, 29634), (822, 24695), (898, 22605), (1347, 15070), (1370, 14817), (1507, 13470), (2055, 9878), (2245, 9042), (2694, 7535), (3014, 6735), (4110, 4939), (4490, 4521)]