20319720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5839}}^1$

素因数の和:5882

約数の個数: 64

約数和(自身を含む): 63072000

約数和(自身を除く): 42752280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5839, 11678, 17517, 23356, 29195, 35034, 46712, 58390, 70068, 87585, 116780, 140136, 169331, 175170, 233560, 338662, 350340, 507993, 677324, 700680, 846655, 1015986, 1354648, 1693310, 2031972, 2539965, 3386620, 4063944, 5079930, 6773240, 10159860, 20319720]

約数ペア:

[(1, 20319720), (2, 10159860), (3, 6773240), (4, 5079930), (5, 4063944), (6, 3386620), (8, 2539965), (10, 2031972), (12, 1693310), (15, 1354648), (20, 1015986), (24, 846655), (29, 700680), (30, 677324), (40, 507993), (58, 350340), (60, 338662), (87, 233560), (116, 175170), (120, 169331), (145, 140136), (174, 116780), (232, 87585), (290, 70068), (348, 58390), (435, 46712), (580, 35034), (696, 29195), (870, 23356), (1160, 17517), (1740, 11678), (3480, 5839)]