20830402880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{299977}}^1$

素因数の和:300032

約数の個数: 112

約数和(自身を含む): 58517308416

約数和(自身を除く): 37686905536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 34720, 69440, 299977, 599954, 1199908, 1499885, 2099839, 2399816, 2999770, 4199678, 4799632, 5999540, 8399356, 9299287, 9599264, 10499195, 11999080, 16798712, 18598574, 19198528, 20998390, 23998160, 33597424, 37197148, 41996780, 46496435, 47996320, 65095009, 67194848, 74394296, 83993560, 92992870, 95992640, 130190018, 134389696, 148788592, 167987120, 185985740, 260380036, 297577184, 325475045, 335974240, 371971480, 520760072, 595154368, 650950090, 671948480, 743942960, 1041520144, 1301900180, 1487885920, 2083040288, 2603800360, 2975771840, 4166080576, 5207600720, 10415201440, 20830402880]

約数ペア:

[(1, 20830402880), (2, 10415201440), (4, 5207600720), (5, 4166080576), (7, 2975771840), (8, 2603800360), (10, 2083040288), (14, 1487885920), (16, 1301900180), (20, 1041520144), (28, 743942960), (31, 671948480), (32, 650950090), (35, 595154368), (40, 520760072), (56, 371971480), (62, 335974240), (64, 325475045), (70, 297577184), (80, 260380036), (112, 185985740), (124, 167987120), (140, 148788592), (155, 134389696), (160, 130190018), (217, 95992640), (224, 92992870), (248, 83993560), (280, 74394296), (310, 67194848), (320, 65095009), (434, 47996320), (448, 46496435), (496, 41996780), (560, 37197148), (620, 33597424), (868, 23998160), (992, 20998390), (1085, 19198528), (1120, 18598574), (1240, 16798712), (1736, 11999080), (1984, 10499195), (2170, 9599264), (2240, 9299287), (2480, 8399356), (3472, 5999540), (4340, 4799632), (4960, 4199678), (6944, 2999770), (8680, 2399816), (9920, 2099839), (13888, 1499885), (17360, 1199908), (34720, 599954), (69440, 299977)]