20759220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1094

約数の個数: 96

約数和(自身を含む): 66393600

約数和(自身を除く): 45634380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1039, 1110, 1332, 1665, 1998, 2078, 2220, 3117, 3330, 3996, 4156, 4995, 5195, 6234, 6660, 9351, 9990, 10390, 12468, 15585, 18702, 19980, 20780, 28053, 31170, 37404, 38443, 46755, 56106, 62340, 76886, 93510, 112212, 115329, 140265, 153772, 187020, 192215, 230658, 280530, 345987, 384430, 461316, 561060, 576645, 691974, 768860, 1037961, 1153290, 1383948, 1729935, 2075922, 2306580, 3459870, 4151844, 5189805, 6919740, 10379610, 20759220]

約数ペア:

[(1, 20759220), (2, 10379610), (3, 6919740), (4, 5189805), (5, 4151844), (6, 3459870), (9, 2306580), (10, 2075922), (12, 1729935), (15, 1383948), (18, 1153290), (20, 1037961), (27, 768860), (30, 691974), (36, 576645), (37, 561060), (45, 461316), (54, 384430), (60, 345987), (74, 280530), (90, 230658), (108, 192215), (111, 187020), (135, 153772), (148, 140265), (180, 115329), (185, 112212), (222, 93510), (270, 76886), (333, 62340), (370, 56106), (444, 46755), (540, 38443), (555, 37404), (666, 31170), (740, 28053), (999, 20780), (1039, 19980), (1110, 18702), (1332, 15585), (1665, 12468), (1998, 10390), (2078, 9990), (2220, 9351), (3117, 6660), (3330, 6234), (3996, 5195), (4156, 4995)]