20053360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 29943440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 167, 190, 304, 316, 334, 380, 395, 632, 668, 760, 790, 835, 1264, 1336, 1501, 1520, 1580, 1670, 2672, 3002, 3160, 3173, 3340, 6004, 6320, 6346, 6680, 7505, 12008, 12692, 13193, 13360, 15010, 15865, 24016, 25384, 26386, 30020, 31730, 50768, 52772, 60040, 63460, 65965, 105544, 120080, 126920, 131930, 211088, 250667, 253840, 263860, 501334, 527720, 1002668, 1055440, 1253335, 2005336, 2506670, 4010672, 5013340, 10026680, 20053360]

約数ペア:

[(1, 20053360), (2, 10026680), (4, 5013340), (5, 4010672), (8, 2506670), (10, 2005336), (16, 1253335), (19, 1055440), (20, 1002668), (38, 527720), (40, 501334), (76, 263860), (79, 253840), (80, 250667), (95, 211088), (152, 131930), (158, 126920), (167, 120080), (190, 105544), (304, 65965), (316, 63460), (334, 60040), (380, 52772), (395, 50768), (632, 31730), (668, 30020), (760, 26386), (790, 25384), (835, 24016), (1264, 15865), (1336, 15010), (1501, 13360), (1520, 13193), (1580, 12692), (1670, 12008), (2672, 7505), (3002, 6680), (3160, 6346), (3173, 6320), (3340, 6004)]