20789029080

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2138789}}^1$

素因数の和:2138815

約数の個数: 96

約数和(自身を含む): 70066760400

約数和(自身を除く): 49277731320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2430, 3240, 4860, 9720, 2138789, 4277578, 6416367, 8555156, 10693945, 12832734, 17110312, 19249101, 21387890, 25665468, 32081835, 38498202, 42775780, 51330936, 57747303, 64163670, 76996404, 85551560, 96245505, 115494606, 128327340, 153992808, 173241909, 192491010, 230989212, 256654680, 288736515, 346483818, 384982020, 461978424, 519725727, 577473030, 692967636, 769964040, 866209545, 1039451454, 1154946060, 1385935272, 1732419090, 2078902908, 2309892120, 2598628635, 3464838180, 4157805816, 5197257270, 6929676360, 10394514540, 20789029080]

約数ペア:

[(1, 20789029080), (2, 10394514540), (3, 6929676360), (4, 5197257270), (5, 4157805816), (6, 3464838180), (8, 2598628635), (9, 2309892120), (10, 2078902908), (12, 1732419090), (15, 1385935272), (18, 1154946060), (20, 1039451454), (24, 866209545), (27, 769964040), (30, 692967636), (36, 577473030), (40, 519725727), (45, 461978424), (54, 384982020), (60, 346483818), (72, 288736515), (81, 256654680), (90, 230989212), (108, 192491010), (120, 173241909), (135, 153992808), (162, 128327340), (180, 115494606), (216, 96245505), (243, 85551560), (270, 76996404), (324, 64163670), (360, 57747303), (405, 51330936), (486, 42775780), (540, 38498202), (648, 32081835), (810, 25665468), (972, 21387890), (1080, 19249101), (1215, 17110312), (1620, 12832734), (1944, 10693945), (2430, 8555156), (3240, 6416367), (4860, 4277578), (9720, 2138789)]