20913552

素因数分解:

$2^4\times 3^6\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 140

約数和(自身を含む): 66681744

約数和(自身を除く): 45768192

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 163, 176, 198, 216, 243, 264, 297, 324, 326, 396, 432, 486, 489, 528, 594, 648, 652, 729, 792, 891, 972, 978, 1188, 1296, 1304, 1458, 1467, 1584, 1782, 1793, 1944, 1956, 2376, 2608, 2673, 2916, 2934, 3564, 3586, 3888, 3912, 4401, 4752, 5346, 5379, 5832, 5868, 7128, 7172, 7824, 8019, 8802, 10692, 10758, 11664, 11736, 13203, 14256, 14344, 16038, 16137, 17604, 21384, 21516, 23472, 26406, 28688, 32076, 32274, 35208, 39609, 42768, 43032, 48411, 52812, 64152, 64548, 70416, 79218, 86064, 96822, 105624, 118827, 128304, 129096, 145233, 158436, 193644, 211248, 237654, 258192, 290466, 316872, 387288, 435699, 475308, 580932, 633744, 774576, 871398, 950616, 1161864, 1307097, 1742796, 1901232, 2323728, 2614194, 3485592, 5228388, 6971184, 10456776, 20913552]

約数ペア:

[(1, 20913552), (2, 10456776), (3, 6971184), (4, 5228388), (6, 3485592), (8, 2614194), (9, 2323728), (11, 1901232), (12, 1742796), (16, 1307097), (18, 1161864), (22, 950616), (24, 871398), (27, 774576), (33, 633744), (36, 580932), (44, 475308), (48, 435699), (54, 387288), (66, 316872), (72, 290466), (81, 258192), (88, 237654), (99, 211248), (108, 193644), (132, 158436), (144, 145233), (162, 129096), (163, 128304), (176, 118827), (198, 105624), (216, 96822), (243, 86064), (264, 79218), (297, 70416), (324, 64548), (326, 64152), (396, 52812), (432, 48411), (486, 43032), (489, 42768), (528, 39609), (594, 35208), (648, 32274), (652, 32076), (729, 28688), (792, 26406), (891, 23472), (972, 21516), (978, 21384), (1188, 17604), (1296, 16137), (1304, 16038), (1458, 14344), (1467, 14256), (1584, 13203), (1782, 11736), (1793, 11664), (1944, 10758), (1956, 10692), (2376, 8802), (2608, 8019), (2673, 7824), (2916, 7172), (2934, 7128), (3564, 5868), (3586, 5832), (3888, 5379), (3912, 5346), (4401, 4752)]