20194287360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{404533}}^1$

素因数の和:404570

約数の個数: 144

約数和(自身を含む): 69456869664

約数和(自身を除く): 49262582304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4992, 6240, 8320, 9984, 12480, 16640, 24960, 49920, 404533, 809066, 1213599, 1618132, 2022665, 2427198, 3236264, 4045330, 4854396, 5258929, 6067995, 6472528, 8090660, 9708792, 10517858, 12135990, 12945056, 15776787, 16181320, 19417584, 21035716, 24271980, 25890112, 26294645, 31553574, 32362640, 38835168, 42071432, 48543960, 51780224, 52589290, 63107148, 64725280, 77670336, 78883935, 84142864, 97087920, 103560448, 105178580, 126214296, 129450560, 155340672, 157767870, 168285728, 194175840, 210357160, 252428592, 258901120, 310681344, 315535740, 336571456, 388351680, 420714320, 504857184, 517802240, 631071480, 673142912, 776703360, 841428640, 1009714368, 1262142960, 1346285824, 1553406720, 1682857280, 2019428736, 2524285920, 3365714560, 4038857472, 5048571840, 6731429120, 10097143680, 20194287360]

約数ペア:

[(1, 20194287360), (2, 10097143680), (3, 6731429120), (4, 5048571840), (5, 4038857472), (6, 3365714560), (8, 2524285920), (10, 2019428736), (12, 1682857280), (13, 1553406720), (15, 1346285824), (16, 1262142960), (20, 1009714368), (24, 841428640), (26, 776703360), (30, 673142912), (32, 631071480), (39, 517802240), (40, 504857184), (48, 420714320), (52, 388351680), (60, 336571456), (64, 315535740), (65, 310681344), (78, 258901120), (80, 252428592), (96, 210357160), (104, 194175840), (120, 168285728), (128, 157767870), (130, 155340672), (156, 129450560), (160, 126214296), (192, 105178580), (195, 103560448), (208, 97087920), (240, 84142864), (256, 78883935), (260, 77670336), (312, 64725280), (320, 63107148), (384, 52589290), (390, 51780224), (416, 48543960), (480, 42071432), (520, 38835168), (624, 32362640), (640, 31553574), (768, 26294645), (780, 25890112), (832, 24271980), (960, 21035716), (1040, 19417584), (1248, 16181320), (1280, 15776787), (1560, 12945056), (1664, 12135990), (1920, 10517858), (2080, 9708792), (2496, 8090660), (3120, 6472528), (3328, 6067995), (3840, 5258929), (4160, 4854396), (4992, 4045330), (6240, 3236264), (8320, 2427198), (9984, 2022665), (12480, 1618132), (16640, 1213599), (24960, 809066), (49920, 404533)]