20923058360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{18757}}^1$

素因数の和:19200

約数の個数: 64

約数和(自身を含む): 47810390400

約数和(自身を除く): 26887332040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 353, 395, 632, 706, 790, 1412, 1580, 1765, 2824, 3160, 3530, 7060, 14120, 18757, 27887, 37514, 55774, 75028, 93785, 111548, 139435, 150056, 187570, 223096, 278870, 375140, 557740, 750280, 1115480, 1481803, 2963606, 5927212, 6621221, 7409015, 11854424, 13242442, 14818030, 26484884, 29636060, 33106105, 52969768, 59272120, 66212210, 132424420, 264848840, 523076459, 1046152918, 2092305836, 2615382295, 4184611672, 5230764590, 10461529180, 20923058360]

約数ペア:

[(1, 20923058360), (2, 10461529180), (4, 5230764590), (5, 4184611672), (8, 2615382295), (10, 2092305836), (20, 1046152918), (40, 523076459), (79, 264848840), (158, 132424420), (316, 66212210), (353, 59272120), (395, 52969768), (632, 33106105), (706, 29636060), (790, 26484884), (1412, 14818030), (1580, 13242442), (1765, 11854424), (2824, 7409015), (3160, 6621221), (3530, 5927212), (7060, 2963606), (14120, 1481803), (18757, 1115480), (27887, 750280), (37514, 557740), (55774, 375140), (75028, 278870), (93785, 223096), (111548, 187570), (139435, 150056)]