20680450848

素因数分解:

$2^5\times 3^5\times {\mathrm{37}}^1\times {\mathrm{71879}}^1$

素因数の和:71941

約数の個数: 144

約数和(自身を含む): 62637382080

約数和(自身を除く): 41956931232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 72, 74, 81, 96, 108, 111, 144, 148, 162, 216, 222, 243, 288, 296, 324, 333, 432, 444, 486, 592, 648, 666, 864, 888, 972, 999, 1184, 1296, 1332, 1776, 1944, 1998, 2592, 2664, 2997, 3552, 3888, 3996, 5328, 5994, 7776, 7992, 8991, 10656, 11988, 15984, 17982, 23976, 31968, 35964, 47952, 71879, 71928, 95904, 143758, 143856, 215637, 287516, 287712, 431274, 575032, 646911, 862548, 1150064, 1293822, 1725096, 1940733, 2300128, 2587644, 2659523, 3450192, 3881466, 5175288, 5319046, 5822199, 6900384, 7762932, 7978569, 10350576, 10638092, 11644398, 15525864, 15957138, 17466597, 20701152, 21276184, 23288796, 23935707, 31051728, 31914276, 34933194, 42552368, 46577592, 47871414, 62103456, 63828552, 69866388, 71807121, 85104736, 93155184, 95742828, 127657104, 139732776, 143614242, 186310368, 191485656, 215421363, 255314208, 279465552, 287228484, 382971312, 430842726, 558931104, 574456968, 646264089, 765942624, 861685452, 1148913936, 1292528178, 1723370904, 2297827872, 2585056356, 3446741808, 5170112712, 6893483616, 10340225424, 20680450848]

約数ペア:

[(1, 20680450848), (2, 10340225424), (3, 6893483616), (4, 5170112712), (6, 3446741808), (8, 2585056356), (9, 2297827872), (12, 1723370904), (16, 1292528178), (18, 1148913936), (24, 861685452), (27, 765942624), (32, 646264089), (36, 574456968), (37, 558931104), (48, 430842726), (54, 382971312), (72, 287228484), (74, 279465552), (81, 255314208), (96, 215421363), (108, 191485656), (111, 186310368), (144, 143614242), (148, 139732776), (162, 127657104), (216, 95742828), (222, 93155184), (243, 85104736), (288, 71807121), (296, 69866388), (324, 63828552), (333, 62103456), (432, 47871414), (444, 46577592), (486, 42552368), (592, 34933194), (648, 31914276), (666, 31051728), (864, 23935707), (888, 23288796), (972, 21276184), (999, 20701152), (1184, 17466597), (1296, 15957138), (1332, 15525864), (1776, 11644398), (1944, 10638092), (1998, 10350576), (2592, 7978569), (2664, 7762932), (2997, 6900384), (3552, 5822199), (3888, 5319046), (3996, 5175288), (5328, 3881466), (5994, 3450192), (7776, 2659523), (7992, 2587644), (8991, 2300128), (10656, 1940733), (11988, 1725096), (15984, 1293822), (17982, 1150064), (23976, 862548), (31968, 646911), (35964, 575032), (47952, 431274), (71879, 287712), (71928, 287516), (95904, 215637), (143758, 143856)]