20145654976

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:906

約数の個数: 112

約数和(自身を含む): 42851198016

約数和(自身を除く): 22705543040

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 193, 197, 272, 386, 394, 487, 544, 772, 788, 974, 1088, 1544, 1576, 1948, 3088, 3152, 3281, 3349, 3896, 6176, 6304, 6562, 6698, 7792, 8279, 12352, 12608, 13124, 13396, 15584, 16558, 26248, 26792, 31168, 33116, 38021, 52496, 53584, 66232, 76042, 93991, 95939, 104992, 107168, 132464, 152084, 187982, 191878, 209984, 214336, 264928, 304168, 375964, 383756, 529856, 608336, 646357, 751928, 767512, 1216672, 1292714, 1503856, 1535024, 1597847, 1630963, 2433344, 2585428, 3007712, 3070048, 3195694, 3261926, 5170856, 6015424, 6140096, 6391388, 6523852, 10341712, 12782776, 13047704, 18516227, 20683424, 25565552, 26095408, 37032454, 41366848, 51131104, 52190816, 74064908, 102262208, 104381632, 148129816, 296259632, 314775859, 592519264, 629551718, 1185038528, 1259103436, 2518206872, 5036413744, 10072827488, 20145654976]

約数ペア:

[(1, 20145654976), (2, 10072827488), (4, 5036413744), (8, 2518206872), (16, 1259103436), (17, 1185038528), (32, 629551718), (34, 592519264), (64, 314775859), (68, 296259632), (136, 148129816), (193, 104381632), (197, 102262208), (272, 74064908), (386, 52190816), (394, 51131104), (487, 41366848), (544, 37032454), (772, 26095408), (788, 25565552), (974, 20683424), (1088, 18516227), (1544, 13047704), (1576, 12782776), (1948, 10341712), (3088, 6523852), (3152, 6391388), (3281, 6140096), (3349, 6015424), (3896, 5170856), (6176, 3261926), (6304, 3195694), (6562, 3070048), (6698, 3007712), (7792, 2585428), (8279, 2433344), (12352, 1630963), (12608, 1597847), (13124, 1535024), (13396, 1503856), (15584, 1292714), (16558, 1216672), (26248, 767512), (26792, 751928), (31168, 646357), (33116, 608336), (38021, 529856), (52496, 383756), (53584, 375964), (66232, 304168), (76042, 264928), (93991, 214336), (95939, 209984), (104992, 191878), (107168, 187982), (132464, 152084)]