20109451900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{751}}^1\times {\mathrm{7237}}^1$

素因数の和:8039

約数の個数: 72

約数和(自身を含む): 44882780096

約数和(自身を除く): 24773328196

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 751, 925, 1502, 1850, 3004, 3700, 3755, 7237, 7510, 14474, 15020, 18775, 27787, 28948, 36185, 37550, 55574, 72370, 75100, 111148, 138935, 144740, 180925, 267769, 277870, 361850, 535538, 555740, 694675, 723700, 1071076, 1338845, 1389350, 2677690, 2778700, 5355380, 5434987, 6694225, 10869974, 13388450, 21739948, 26776900, 27174935, 54349870, 108699740, 135874675, 201094519, 271749350, 402189038, 543498700, 804378076, 1005472595, 2010945190, 4021890380, 5027362975, 10054725950, 20109451900]

約数ペア:

[(1, 20109451900), (2, 10054725950), (4, 5027362975), (5, 4021890380), (10, 2010945190), (20, 1005472595), (25, 804378076), (37, 543498700), (50, 402189038), (74, 271749350), (100, 201094519), (148, 135874675), (185, 108699740), (370, 54349870), (740, 27174935), (751, 26776900), (925, 21739948), (1502, 13388450), (1850, 10869974), (3004, 6694225), (3700, 5434987), (3755, 5355380), (7237, 2778700), (7510, 2677690), (14474, 1389350), (15020, 1338845), (18775, 1071076), (27787, 723700), (28948, 694675), (36185, 555740), (37550, 535538), (55574, 361850), (72370, 277870), (75100, 267769), (111148, 180925), (138935, 144740)]