20512093240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1040167}}^1$

素因数の和:1040224

約数の個数: 64

約数和(自身を含む): 50552164800

約数和(自身を除く): 30040071560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 1040167, 2080334, 4160668, 5200835, 8321336, 10401670, 17682839, 20803340, 30164843, 35365678, 41606680, 60329686, 70731356, 88414195, 120659372, 141462712, 150824215, 176828390, 241318744, 301648430, 353656780, 512802331, 603296860, 707313560, 1025604662, 1206593720, 2051209324, 2564011655, 4102418648, 5128023310, 10256046620, 20512093240]

約数ペア:

[(1, 20512093240), (2, 10256046620), (4, 5128023310), (5, 4102418648), (8, 2564011655), (10, 2051209324), (17, 1206593720), (20, 1025604662), (29, 707313560), (34, 603296860), (40, 512802331), (58, 353656780), (68, 301648430), (85, 241318744), (116, 176828390), (136, 150824215), (145, 141462712), (170, 120659372), (232, 88414195), (290, 70731356), (340, 60329686), (493, 41606680), (580, 35365678), (680, 30164843), (986, 20803340), (1160, 17682839), (1972, 10401670), (2465, 8321336), (3944, 5200835), (4930, 4160668), (9860, 2080334), (19720, 1040167)]