20165585784

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1\times {\mathrm{20477}}^1$

素因数の和:21632

約数の個数: 64

約数和(自身を含む): 51825722400

約数和(自身を除く): 31660136616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 1109, 2218, 3327, 4436, 6654, 8872, 13308, 20477, 26616, 40954, 41033, 61431, 81908, 82066, 122862, 123099, 163816, 164132, 245724, 246198, 328264, 491448, 492396, 757649, 984792, 1515298, 2272947, 3030596, 4545894, 6061192, 9091788, 18183576, 22708993, 45417986, 68126979, 90835972, 136253958, 181671944, 272507916, 545015832, 840232741, 1680465482, 2520698223, 3360930964, 5041396446, 6721861928, 10082792892, 20165585784]

約数ペア:

[(1, 20165585784), (2, 10082792892), (3, 6721861928), (4, 5041396446), (6, 3360930964), (8, 2520698223), (12, 1680465482), (24, 840232741), (37, 545015832), (74, 272507916), (111, 181671944), (148, 136253958), (222, 90835972), (296, 68126979), (444, 45417986), (888, 22708993), (1109, 18183576), (2218, 9091788), (3327, 6061192), (4436, 4545894), (6654, 3030596), (8872, 2272947), (13308, 1515298), (20477, 984792), (26616, 757649), (40954, 492396), (41033, 491448), (61431, 328264), (81908, 246198), (82066, 245724), (122862, 164132), (123099, 163816)]