20145042015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167269}}^1$

素因数の和:167352

約数の個数: 64

約数和(自身を含む): 39052861440

約数和(自身を除く): 18907819425

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 93, 105, 111, 155, 185, 217, 259, 465, 555, 651, 777, 1085, 1147, 1295, 3255, 3441, 3885, 5735, 8029, 17205, 24087, 40145, 120435, 167269, 501807, 836345, 1170883, 2509035, 3512649, 5185339, 5854415, 6188953, 15556017, 17563245, 18566859, 25926695, 30944765, 36297373, 43322671, 77780085, 92834295, 108892119, 129968013, 181486865, 191857543, 216613355, 544460595, 575572629, 649840065, 959287715, 1343002801, 2877863145, 4029008403, 6715014005, 20145042015]

約数ペア:

[(1, 20145042015), (3, 6715014005), (5, 4029008403), (7, 2877863145), (15, 1343002801), (21, 959287715), (31, 649840065), (35, 575572629), (37, 544460595), (93, 216613355), (105, 191857543), (111, 181486865), (155, 129968013), (185, 108892119), (217, 92834295), (259, 77780085), (465, 43322671), (555, 36297373), (651, 30944765), (777, 25926695), (1085, 18566859), (1147, 17563245), (1295, 15556017), (3255, 6188953), (3441, 5854415), (3885, 5185339), (5735, 3512649), (8029, 2509035), (17205, 1170883), (24087, 836345), (40145, 501807), (120435, 167269)]