20915100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1404

約数の個数: 108

約数和(自身を含む): 69464304

約数和(自身を除く): 48549204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1367, 1530, 1700, 2550, 2734, 3060, 3825, 4101, 5100, 5468, 6835, 7650, 8202, 12303, 13670, 15300, 16404, 20505, 23239, 24606, 27340, 34175, 41010, 46478, 49212, 61515, 68350, 69717, 82020, 92956, 102525, 116195, 123030, 136700, 139434, 205050, 209151, 232390, 246060, 278868, 307575, 348585, 410100, 418302, 464780, 580975, 615150, 697170, 836604, 1045755, 1161950, 1230300, 1394340, 1742925, 2091510, 2323900, 3485850, 4183020, 5228775, 6971700, 10457550, 20915100]

約数ペア:

[(1, 20915100), (2, 10457550), (3, 6971700), (4, 5228775), (5, 4183020), (6, 3485850), (9, 2323900), (10, 2091510), (12, 1742925), (15, 1394340), (17, 1230300), (18, 1161950), (20, 1045755), (25, 836604), (30, 697170), (34, 615150), (36, 580975), (45, 464780), (50, 418302), (51, 410100), (60, 348585), (68, 307575), (75, 278868), (85, 246060), (90, 232390), (100, 209151), (102, 205050), (150, 139434), (153, 136700), (170, 123030), (180, 116195), (204, 102525), (225, 92956), (255, 82020), (300, 69717), (306, 68350), (340, 61515), (425, 49212), (450, 46478), (510, 41010), (612, 34175), (765, 27340), (850, 24606), (900, 23239), (1020, 20505), (1275, 16404), (1367, 15300), (1530, 13670), (1700, 12303), (2550, 8202), (2734, 7650), (3060, 6835), (3825, 5468), (4101, 5100)]