20870149008

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1\times {\mathrm{19997}}^1$

素因数の和:21304

約数の個数: 80

約数和(自身を含む): 57133486080

約数和(自身を除く): 36263337072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 1279, 2558, 3837, 5116, 7674, 10232, 15348, 19997, 20464, 21743, 30696, 39994, 43486, 59991, 61392, 65229, 79988, 86972, 119982, 130458, 159976, 173944, 239964, 260916, 319952, 339949, 347888, 479928, 521832, 679898, 959856, 1019847, 1043664, 1359796, 2039694, 2719592, 4079388, 5439184, 8158776, 16317552, 25576163, 51152326, 76728489, 102304652, 153456978, 204609304, 306913956, 409218608, 434794771, 613827912, 869589542, 1227655824, 1304384313, 1739179084, 2608768626, 3478358168, 5217537252, 6956716336, 10435074504, 20870149008]

約数ペア:

[(1, 20870149008), (2, 10435074504), (3, 6956716336), (4, 5217537252), (6, 3478358168), (8, 2608768626), (12, 1739179084), (16, 1304384313), (17, 1227655824), (24, 869589542), (34, 613827912), (48, 434794771), (51, 409218608), (68, 306913956), (102, 204609304), (136, 153456978), (204, 102304652), (272, 76728489), (408, 51152326), (816, 25576163), (1279, 16317552), (2558, 8158776), (3837, 5439184), (5116, 4079388), (7674, 2719592), (10232, 2039694), (15348, 1359796), (19997, 1043664), (20464, 1019847), (21743, 959856), (30696, 679898), (39994, 521832), (43486, 479928), (59991, 347888), (61392, 339949), (65229, 319952), (79988, 260916), (86972, 239964), (119982, 173944), (130458, 159976)]