20195994016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{22651}}^1$

素因数の和:22838

約数の個数: 96

約数和(自身を含む): 46237262400

約数和(自身を除く): 26041268384

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 149, 176, 187, 272, 298, 352, 374, 544, 596, 748, 1192, 1496, 1639, 2384, 2533, 2992, 3278, 4768, 5066, 5984, 6556, 10132, 13112, 20264, 22651, 26224, 27863, 40528, 45302, 52448, 55726, 81056, 90604, 111452, 181208, 222904, 249161, 362416, 385067, 445808, 498322, 724832, 770134, 891616, 996644, 1540268, 1993288, 3080536, 3374999, 3986576, 4235737, 6161072, 6749998, 7973152, 8471474, 12322144, 13499996, 16942948, 26999992, 33885896, 37124989, 53999984, 57374983, 67771792, 74249978, 107999968, 114749966, 135543584, 148499956, 229499932, 296999912, 458999864, 593999824, 631124813, 917999728, 1187999648, 1262249626, 1835999456, 2524499252, 5048998504, 10097997008, 20195994016]

約数ペア:

[(1, 20195994016), (2, 10097997008), (4, 5048998504), (8, 2524499252), (11, 1835999456), (16, 1262249626), (17, 1187999648), (22, 917999728), (32, 631124813), (34, 593999824), (44, 458999864), (68, 296999912), (88, 229499932), (136, 148499956), (149, 135543584), (176, 114749966), (187, 107999968), (272, 74249978), (298, 67771792), (352, 57374983), (374, 53999984), (544, 37124989), (596, 33885896), (748, 26999992), (1192, 16942948), (1496, 13499996), (1639, 12322144), (2384, 8471474), (2533, 7973152), (2992, 6749998), (3278, 6161072), (4768, 4235737), (5066, 3986576), (5984, 3374999), (6556, 3080536), (10132, 1993288), (13112, 1540268), (20264, 996644), (22651, 891616), (26224, 770134), (27863, 724832), (40528, 498322), (45302, 445808), (52448, 385067), (55726, 362416), (81056, 249161), (90604, 222904), (111452, 181208)]