20353567220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{450101}}^1$

素因数の和:450153

約数の個数: 96

約数和(自身を含む): 54444337920

約数和(自身を除く): 34090770700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4522, 6460, 9044, 11305, 22610, 45220, 450101, 900202, 1800404, 2250505, 3150707, 4501010, 6301414, 7651717, 8551919, 9002020, 12602828, 15303434, 15753535, 17103838, 30606868, 31507070, 34207676, 38258585, 42759595, 53562019, 59863433, 63014140, 76517170, 85519190, 107124038, 119726866, 145382623, 153034340, 171038380, 214248076, 239453732, 267810095, 290765246, 299317165, 535620190, 581530492, 598634330, 726913115, 1017678361, 1071240380, 1197268660, 1453826230, 2035356722, 2907652460, 4070713444, 5088391805, 10176783610, 20353567220]

約数ペア:

[(1, 20353567220), (2, 10176783610), (4, 5088391805), (5, 4070713444), (7, 2907652460), (10, 2035356722), (14, 1453826230), (17, 1197268660), (19, 1071240380), (20, 1017678361), (28, 726913115), (34, 598634330), (35, 581530492), (38, 535620190), (68, 299317165), (70, 290765246), (76, 267810095), (85, 239453732), (95, 214248076), (119, 171038380), (133, 153034340), (140, 145382623), (170, 119726866), (190, 107124038), (238, 85519190), (266, 76517170), (323, 63014140), (340, 59863433), (380, 53562019), (476, 42759595), (532, 38258585), (595, 34207676), (646, 31507070), (665, 30606868), (1190, 17103838), (1292, 15753535), (1330, 15303434), (1615, 12602828), (2261, 9002020), (2380, 8551919), (2660, 7651717), (3230, 6301414), (4522, 4501010), (6460, 3150707), (9044, 2250505), (11305, 1800404), (22610, 900202), (45220, 450101)]