20181208072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1\times {\mathrm{2069}}^1$

素因数の和:3206

約数の個数: 64

約数和(自身を含む): 40173235200

約数和(自身を除く): 19992027128

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1063, 1147, 2069, 2126, 2294, 4138, 4252, 4588, 8276, 8504, 9176, 16552, 32953, 39331, 64139, 65906, 76553, 78662, 128278, 131812, 153106, 157324, 256556, 263624, 306212, 314648, 513112, 612424, 1219261, 2199347, 2373143, 2438522, 4398694, 4746286, 4877044, 8797388, 9492572, 9754088, 17594776, 18985144, 68179757, 81375839, 136359514, 162751678, 272719028, 325503356, 545438056, 651006712, 2522651009, 5045302018, 10090604036, 20181208072]

約数ペア:

[(1, 20181208072), (2, 10090604036), (4, 5045302018), (8, 2522651009), (31, 651006712), (37, 545438056), (62, 325503356), (74, 272719028), (124, 162751678), (148, 136359514), (248, 81375839), (296, 68179757), (1063, 18985144), (1147, 17594776), (2069, 9754088), (2126, 9492572), (2294, 8797388), (4138, 4877044), (4252, 4746286), (4588, 4398694), (8276, 2438522), (8504, 2373143), (9176, 2199347), (16552, 1219261), (32953, 612424), (39331, 513112), (64139, 314648), (65906, 306212), (76553, 263624), (78662, 256556), (128278, 157324), (131812, 153106)]