20780156672

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{18131}}^1$

素因数の和:18206

約数の個数: 108

約数和(自身を含む): 46827594408

約数和(自身を除く): 26047437736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 121, 128, 148, 176, 242, 256, 296, 352, 407, 484, 592, 704, 814, 968, 1184, 1408, 1628, 1936, 2368, 2816, 3256, 3872, 4477, 4736, 6512, 7744, 8954, 9472, 13024, 15488, 17908, 18131, 26048, 30976, 35816, 36262, 52096, 71632, 72524, 104192, 143264, 145048, 199441, 286528, 290096, 398882, 573056, 580192, 670847, 797764, 1146112, 1160384, 1341694, 1595528, 2193851, 2320768, 2683388, 3191056, 4387702, 4641536, 5366776, 6382112, 7379317, 8775404, 10733552, 12764224, 14758634, 17550808, 21467104, 25528448, 29517268, 35101616, 42934208, 51056896, 59034536, 70203232, 81172487, 85868416, 118069072, 140406464, 162344974, 171736832, 236138144, 280812928, 324689948, 472276288, 561625856, 649379896, 944552576, 1298759792, 1889105152, 2597519584, 5195039168, 10390078336, 20780156672]

約数ペア:

[(1, 20780156672), (2, 10390078336), (4, 5195039168), (8, 2597519584), (11, 1889105152), (16, 1298759792), (22, 944552576), (32, 649379896), (37, 561625856), (44, 472276288), (64, 324689948), (74, 280812928), (88, 236138144), (121, 171736832), (128, 162344974), (148, 140406464), (176, 118069072), (242, 85868416), (256, 81172487), (296, 70203232), (352, 59034536), (407, 51056896), (484, 42934208), (592, 35101616), (704, 29517268), (814, 25528448), (968, 21467104), (1184, 17550808), (1408, 14758634), (1628, 12764224), (1936, 10733552), (2368, 8775404), (2816, 7379317), (3256, 6382112), (3872, 5366776), (4477, 4641536), (4736, 4387702), (6512, 3191056), (7744, 2683388), (8954, 2320768), (9472, 2193851), (13024, 1595528), (15488, 1341694), (17908, 1160384), (18131, 1146112), (26048, 797764), (30976, 670847), (35816, 580192), (36262, 573056), (52096, 398882), (71632, 290096), (72524, 286528), (104192, 199441), (143264, 145048)]