20946736

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 21800528

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 148, 164, 296, 328, 592, 656, 863, 1517, 1726, 3034, 3452, 6068, 6904, 12136, 13808, 24272, 31931, 35383, 63862, 70766, 127724, 141532, 255448, 283064, 510896, 566128, 1309171, 2618342, 5236684, 10473368, 20946736]

約数ペア:

[(1, 20946736), (2, 10473368), (4, 5236684), (8, 2618342), (16, 1309171), (37, 566128), (41, 510896), (74, 283064), (82, 255448), (148, 141532), (164, 127724), (296, 70766), (328, 63862), (592, 35383), (656, 31931), (863, 24272), (1517, 13808), (1726, 12136), (3034, 6904), (3452, 6068)]