20019168

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5347}}^1$

素因数の和:5376

約数の個数: 72

約数和(自身を含む): 61320168

約数和(自身を除く): 41301000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5347, 10694, 16041, 21388, 32082, 42776, 48123, 64164, 69511, 85552, 96246, 128328, 139022, 171104, 192492, 208533, 256656, 278044, 384984, 417066, 513312, 556088, 625599, 769968, 834132, 1112176, 1251198, 1539936, 1668264, 2224352, 2502396, 3336528, 5004792, 6673056, 10009584, 20019168]

約数ペア:

[(1, 20019168), (2, 10009584), (3, 6673056), (4, 5004792), (6, 3336528), (8, 2502396), (9, 2224352), (12, 1668264), (13, 1539936), (16, 1251198), (18, 1112176), (24, 834132), (26, 769968), (32, 625599), (36, 556088), (39, 513312), (48, 417066), (52, 384984), (72, 278044), (78, 256656), (96, 208533), (104, 192492), (117, 171104), (144, 139022), (156, 128328), (208, 96246), (234, 85552), (288, 69511), (312, 64164), (416, 48123), (468, 42776), (624, 32082), (936, 21388), (1248, 16041), (1872, 10694), (3744, 5347)]