20187365148

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{227}}^1\times {\mathrm{23087}}^1$

素因数の和:23431

約数の個数: 72

約数和(自身を含む): 51735220992

約数和(自身を除く): 31547855844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 227, 321, 428, 454, 642, 681, 908, 963, 1284, 1362, 1926, 2043, 2724, 3852, 4086, 8172, 23087, 24289, 46174, 48578, 69261, 72867, 92348, 97156, 138522, 145734, 207783, 218601, 277044, 291468, 415566, 437202, 831132, 874404, 2470309, 4940618, 5240749, 7410927, 9881236, 10481498, 14821854, 15722247, 20962996, 22232781, 29643708, 31444494, 44465562, 47166741, 62888988, 88931124, 94333482, 188666964, 560760143, 1121520286, 1682280429, 2243040572, 3364560858, 5046841287, 6729121716, 10093682574, 20187365148]

約数ペア:

[(1, 20187365148), (2, 10093682574), (3, 6729121716), (4, 5046841287), (6, 3364560858), (9, 2243040572), (12, 1682280429), (18, 1121520286), (36, 560760143), (107, 188666964), (214, 94333482), (227, 88931124), (321, 62888988), (428, 47166741), (454, 44465562), (642, 31444494), (681, 29643708), (908, 22232781), (963, 20962996), (1284, 15722247), (1362, 14821854), (1926, 10481498), (2043, 9881236), (2724, 7410927), (3852, 5240749), (4086, 4940618), (8172, 2470309), (23087, 874404), (24289, 831132), (46174, 437202), (48578, 415566), (69261, 291468), (72867, 277044), (92348, 218601), (97156, 207783), (138522, 145734)]