20593144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 25855496

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 383, 517, 572, 611, 766, 1034, 1144, 1222, 1532, 2068, 2444, 3064, 4136, 4213, 4888, 4979, 6721, 8426, 9958, 13442, 16852, 18001, 19916, 26884, 33704, 36002, 39832, 53768, 54769, 72004, 109538, 144008, 198011, 219076, 234013, 396022, 438152, 468026, 792044, 936052, 1584088, 1872104, 2574143, 5148286, 10296572, 20593144]

約数ペア:

[(1, 20593144), (2, 10296572), (4, 5148286), (8, 2574143), (11, 1872104), (13, 1584088), (22, 936052), (26, 792044), (44, 468026), (47, 438152), (52, 396022), (88, 234013), (94, 219076), (104, 198011), (143, 144008), (188, 109538), (286, 72004), (376, 54769), (383, 53768), (517, 39832), (572, 36002), (611, 33704), (766, 26884), (1034, 19916), (1144, 18001), (1222, 16852), (1532, 13442), (2068, 9958), (2444, 8426), (3064, 6721), (4136, 4979), (4213, 4888)]