20956609968

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{88721}}^1$

素因数の和:88795

約数の個数: 160

約数和(自身を含む): 66889290240

約数和(自身を除く): 45932680272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 37, 38, 42, 48, 56, 57, 74, 76, 84, 111, 112, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 304, 336, 399, 444, 456, 518, 532, 592, 703, 777, 798, 888, 912, 1036, 1064, 1406, 1554, 1596, 1776, 2072, 2109, 2128, 2812, 3108, 3192, 4144, 4218, 4921, 5624, 6216, 6384, 8436, 9842, 11248, 12432, 14763, 16872, 19684, 29526, 33744, 39368, 59052, 78736, 88721, 118104, 177442, 236208, 266163, 354884, 532326, 621047, 709768, 1064652, 1242094, 1419536, 1685699, 1863141, 2129304, 2484188, 3282677, 3371398, 3726282, 4258608, 4968376, 5057097, 6565354, 6742796, 7452564, 9848031, 9936752, 10114194, 11799893, 13130708, 13485592, 14905128, 19696062, 20228388, 22978739, 23599786, 26261416, 26971184, 29810256, 35399679, 39392124, 40456776, 45957478, 47199572, 52522832, 62370863, 68936217, 70799358, 78784248, 80913552, 91914956, 94399144, 124741726, 137872434, 141598716, 157568496, 183829912, 187112589, 188798288, 249483452, 275744868, 283197432, 367659824, 374225178, 436596041, 498966904, 551489736, 566394864, 748450356, 873192082, 997933808, 1102979472, 1309788123, 1496900712, 1746384164, 2619576246, 2993801424, 3492768328, 5239152492, 6985536656, 10478304984, 20956609968]

約数ペア:

[(1, 20956609968), (2, 10478304984), (3, 6985536656), (4, 5239152492), (6, 3492768328), (7, 2993801424), (8, 2619576246), (12, 1746384164), (14, 1496900712), (16, 1309788123), (19, 1102979472), (21, 997933808), (24, 873192082), (28, 748450356), (37, 566394864), (38, 551489736), (42, 498966904), (48, 436596041), (56, 374225178), (57, 367659824), (74, 283197432), (76, 275744868), (84, 249483452), (111, 188798288), (112, 187112589), (114, 183829912), (133, 157568496), (148, 141598716), (152, 137872434), (168, 124741726), (222, 94399144), (228, 91914956), (259, 80913552), (266, 78784248), (296, 70799358), (304, 68936217), (336, 62370863), (399, 52522832), (444, 47199572), (456, 45957478), (518, 40456776), (532, 39392124), (592, 35399679), (703, 29810256), (777, 26971184), (798, 26261416), (888, 23599786), (912, 22978739), (1036, 20228388), (1064, 19696062), (1406, 14905128), (1554, 13485592), (1596, 13130708), (1776, 11799893), (2072, 10114194), (2109, 9936752), (2128, 9848031), (2812, 7452564), (3108, 6742796), (3192, 6565354), (4144, 5057097), (4218, 4968376), (4921, 4258608), (5624, 3726282), (6216, 3371398), (6384, 3282677), (8436, 2484188), (9842, 2129304), (11248, 1863141), (12432, 1685699), (14763, 1419536), (16872, 1242094), (19684, 1064652), (29526, 709768), (33744, 621047), (39368, 532326), (59052, 354884), (78736, 266163), (88721, 236208), (118104, 177442)]