20434120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37626680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 167, 184, 190, 230, 266, 280, 322, 334, 380, 437, 460, 532, 644, 665, 668, 760, 805, 835, 874, 920, 1064, 1169, 1288, 1330, 1336, 1610, 1670, 1748, 2185, 2338, 2660, 3059, 3173, 3220, 3340, 3496, 3841, 4370, 4676, 5320, 5845, 6118, 6346, 6440, 6680, 7682, 8740, 9352, 11690, 12236, 12692, 15295, 15364, 15865, 17480, 19205, 22211, 23380, 24472, 25384, 26887, 30590, 30728, 31730, 38410, 44422, 46760, 53774, 61180, 63460, 72979, 76820, 88844, 107548, 111055, 122360, 126920, 134435, 145958, 153640, 177688, 215096, 222110, 268870, 291916, 364895, 444220, 510853, 537740, 583832, 729790, 888440, 1021706, 1075480, 1459580, 2043412, 2554265, 2919160, 4086824, 5108530, 10217060, 20434120]

約数ペア:

[(1, 20434120), (2, 10217060), (4, 5108530), (5, 4086824), (7, 2919160), (8, 2554265), (10, 2043412), (14, 1459580), (19, 1075480), (20, 1021706), (23, 888440), (28, 729790), (35, 583832), (38, 537740), (40, 510853), (46, 444220), (56, 364895), (70, 291916), (76, 268870), (92, 222110), (95, 215096), (115, 177688), (133, 153640), (140, 145958), (152, 134435), (161, 126920), (167, 122360), (184, 111055), (190, 107548), (230, 88844), (266, 76820), (280, 72979), (322, 63460), (334, 61180), (380, 53774), (437, 46760), (460, 44422), (532, 38410), (644, 31730), (665, 30728), (668, 30590), (760, 26887), (805, 25384), (835, 24472), (874, 23380), (920, 22211), (1064, 19205), (1169, 17480), (1288, 15865), (1330, 15364), (1336, 15295), (1610, 12692), (1670, 12236), (1748, 11690), (2185, 9352), (2338, 8740), (2660, 7682), (3059, 6680), (3173, 6440), (3220, 6346), (3340, 6118), (3496, 5845), (3841, 5320), (4370, 4676)]