20199872340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{170809}}^1$

素因数の和:170903

約数の個数: 120

約数和(自身を含む): 64236175080

約数和(自身を除く): 44036302740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 270, 292, 324, 365, 405, 438, 540, 657, 730, 810, 876, 1095, 1314, 1460, 1620, 1971, 2190, 2628, 3285, 3942, 4380, 5913, 6570, 7884, 9855, 11826, 13140, 19710, 23652, 29565, 39420, 59130, 118260, 170809, 341618, 512427, 683236, 854045, 1024854, 1537281, 1708090, 2049708, 2562135, 3074562, 3416180, 4611843, 5124270, 6149124, 7686405, 9223686, 10248540, 12469057, 13835529, 15372810, 18447372, 23059215, 24938114, 27671058, 30745620, 37407171, 46118430, 49876228, 55342116, 62345285, 69177645, 74814342, 92236860, 112221513, 124690570, 138355290, 149628684, 187035855, 224443026, 249381140, 276710580, 336664539, 374071710, 448886052, 561107565, 673329078, 748143420, 1009993617, 1122215130, 1346658156, 1683322695, 2019987234, 2244430260, 3366645390, 4039974468, 5049968085, 6733290780, 10099936170, 20199872340]

約数ペア:

[(1, 20199872340), (2, 10099936170), (3, 6733290780), (4, 5049968085), (5, 4039974468), (6, 3366645390), (9, 2244430260), (10, 2019987234), (12, 1683322695), (15, 1346658156), (18, 1122215130), (20, 1009993617), (27, 748143420), (30, 673329078), (36, 561107565), (45, 448886052), (54, 374071710), (60, 336664539), (73, 276710580), (81, 249381140), (90, 224443026), (108, 187035855), (135, 149628684), (146, 138355290), (162, 124690570), (180, 112221513), (219, 92236860), (270, 74814342), (292, 69177645), (324, 62345285), (365, 55342116), (405, 49876228), (438, 46118430), (540, 37407171), (657, 30745620), (730, 27671058), (810, 24938114), (876, 23059215), (1095, 18447372), (1314, 15372810), (1460, 13835529), (1620, 12469057), (1971, 10248540), (2190, 9223686), (2628, 7686405), (3285, 6149124), (3942, 5124270), (4380, 4611843), (5913, 3416180), (6570, 3074562), (7884, 2562135), (9855, 2049708), (11826, 1708090), (13140, 1537281), (19710, 1024854), (23652, 854045), (29565, 683236), (39420, 512427), (59130, 341618), (118260, 170809)]