20372664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 40591176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 23, 24, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 167, 184, 204, 221, 276, 299, 312, 334, 391, 408, 442, 501, 552, 598, 663, 668, 782, 884, 897, 1002, 1173, 1196, 1326, 1336, 1564, 1768, 1794, 2004, 2171, 2346, 2392, 2652, 2839, 3128, 3588, 3841, 4008, 4342, 4692, 5083, 5304, 5678, 6513, 7176, 7682, 8517, 8684, 9384, 10166, 11356, 11523, 13026, 15249, 15364, 17034, 17368, 20332, 22712, 23046, 26052, 30498, 30728, 34068, 36907, 40664, 46092, 49933, 52104, 60996, 65297, 68136, 73814, 92184, 99866, 110721, 121992, 130594, 147628, 149799, 195891, 199732, 221442, 261188, 295256, 299598, 391782, 399464, 442884, 522376, 599196, 783564, 848861, 885768, 1198392, 1567128, 1697722, 2546583, 3395444, 5093166, 6790888, 10186332, 20372664]

約数ペア:

[(1, 20372664), (2, 10186332), (3, 6790888), (4, 5093166), (6, 3395444), (8, 2546583), (12, 1697722), (13, 1567128), (17, 1198392), (23, 885768), (24, 848861), (26, 783564), (34, 599196), (39, 522376), (46, 442884), (51, 399464), (52, 391782), (68, 299598), (69, 295256), (78, 261188), (92, 221442), (102, 199732), (104, 195891), (136, 149799), (138, 147628), (156, 130594), (167, 121992), (184, 110721), (204, 99866), (221, 92184), (276, 73814), (299, 68136), (312, 65297), (334, 60996), (391, 52104), (408, 49933), (442, 46092), (501, 40664), (552, 36907), (598, 34068), (663, 30728), (668, 30498), (782, 26052), (884, 23046), (897, 22712), (1002, 20332), (1173, 17368), (1196, 17034), (1326, 15364), (1336, 15249), (1564, 13026), (1768, 11523), (1794, 11356), (2004, 10166), (2171, 9384), (2346, 8684), (2392, 8517), (2652, 7682), (2839, 7176), (3128, 6513), (3588, 5678), (3841, 5304), (4008, 5083), (4342, 4692)]