20129650440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1\times {\mathrm{2531}}^1$

素因数の和:3083

約数の個数: 128

約数和(自身を含む): 60904120320

約数和(自身を除く): 40774469880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 347, 382, 573, 694, 764, 955, 1041, 1146, 1388, 1528, 1735, 1910, 2082, 2292, 2531, 2776, 2865, 3470, 3820, 4164, 4584, 5062, 5205, 5730, 6940, 7593, 7640, 8328, 10124, 10410, 11460, 12655, 13880, 15186, 20248, 20820, 22920, 25310, 30372, 37965, 41640, 50620, 60744, 66277, 75930, 101240, 132554, 151860, 198831, 265108, 303720, 331385, 397662, 483421, 530216, 662770, 795324, 878257, 966842, 994155, 1325540, 1450263, 1590648, 1756514, 1933684, 1988310, 2417105, 2634771, 2651080, 2900526, 3513028, 3867368, 3976620, 4391285, 4834210, 5269542, 5801052, 7026056, 7251315, 7953240, 8782570, 9668420, 10539084, 11602104, 13173855, 14502630, 17565140, 19336840, 21078168, 26347710, 29005260, 35130280, 52695420, 58010520, 105390840, 167747087, 335494174, 503241261, 670988348, 838735435, 1006482522, 1341976696, 1677470870, 2012965044, 2516206305, 3354941740, 4025930088, 5032412610, 6709883480, 10064825220, 20129650440]

約数ペア:

[(1, 20129650440), (2, 10064825220), (3, 6709883480), (4, 5032412610), (5, 4025930088), (6, 3354941740), (8, 2516206305), (10, 2012965044), (12, 1677470870), (15, 1341976696), (20, 1006482522), (24, 838735435), (30, 670988348), (40, 503241261), (60, 335494174), (120, 167747087), (191, 105390840), (347, 58010520), (382, 52695420), (573, 35130280), (694, 29005260), (764, 26347710), (955, 21078168), (1041, 19336840), (1146, 17565140), (1388, 14502630), (1528, 13173855), (1735, 11602104), (1910, 10539084), (2082, 9668420), (2292, 8782570), (2531, 7953240), (2776, 7251315), (2865, 7026056), (3470, 5801052), (3820, 5269542), (4164, 4834210), (4584, 4391285), (5062, 3976620), (5205, 3867368), (5730, 3513028), (6940, 2900526), (7593, 2651080), (7640, 2634771), (8328, 2417105), (10124, 1988310), (10410, 1933684), (11460, 1756514), (12655, 1590648), (13880, 1450263), (15186, 1325540), (20248, 994155), (20820, 966842), (22920, 878257), (25310, 795324), (30372, 662770), (37965, 530216), (41640, 483421), (50620, 397662), (60744, 331385), (66277, 303720), (75930, 265108), (101240, 198831), (132554, 151860)]