20187089025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{4339}}^1$

素因数の和:4499

約数の個数: 96

約数和(自身を含む): 36616406400

約数和(自身を除く): 16429317375

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 89, 123, 205, 255, 267, 425, 445, 615, 697, 1025, 1275, 1335, 1513, 2091, 2225, 3075, 3485, 3649, 4339, 4539, 6675, 7565, 10455, 10947, 13017, 17425, 18245, 21695, 22695, 37825, 52275, 54735, 62033, 65085, 73763, 91225, 108475, 113475, 177899, 186099, 221289, 273675, 310165, 325425, 368815, 386171, 533697, 889495, 930495, 1106445, 1158513, 1550825, 1844075, 1930855, 2668485, 3024283, 4447475, 4652475, 5532225, 5792565, 6564907, 9072849, 9654275, 13342425, 15121415, 15833011, 19694721, 28962825, 32824535, 45364245, 47499033, 75607075, 79165055, 98473605, 164122675, 226821225, 237495165, 269161187, 395825275, 492368025, 807483561, 1187475825, 1345805935, 4037417805, 6729029675, 20187089025]

約数ペア:

[(1, 20187089025), (3, 6729029675), (5, 4037417805), (15, 1345805935), (17, 1187475825), (25, 807483561), (41, 492368025), (51, 395825275), (75, 269161187), (85, 237495165), (89, 226821225), (123, 164122675), (205, 98473605), (255, 79165055), (267, 75607075), (425, 47499033), (445, 45364245), (615, 32824535), (697, 28962825), (1025, 19694721), (1275, 15833011), (1335, 15121415), (1513, 13342425), (2091, 9654275), (2225, 9072849), (3075, 6564907), (3485, 5792565), (3649, 5532225), (4339, 4652475), (4539, 4447475), (6675, 3024283), (7565, 2668485), (10455, 1930855), (10947, 1844075), (13017, 1550825), (17425, 1158513), (18245, 1106445), (21695, 930495), (22695, 889495), (37825, 533697), (52275, 386171), (54735, 368815), (62033, 325425), (65085, 310165), (73763, 273675), (91225, 221289), (108475, 186099), (113475, 177899)]