20974512

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33613}}^1$

素因数の和:33637

約数の個数: 40

約数和(自身を含む): 58353904

約数和(自身を除く): 37379392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33613, 67226, 100839, 134452, 201678, 268904, 403356, 436969, 537808, 806712, 873938, 1310907, 1613424, 1747876, 2621814, 3495752, 5243628, 6991504, 10487256, 20974512]

約数ペア:

[(1, 20974512), (2, 10487256), (3, 6991504), (4, 5243628), (6, 3495752), (8, 2621814), (12, 1747876), (13, 1613424), (16, 1310907), (24, 873938), (26, 806712), (39, 537808), (48, 436969), (52, 403356), (78, 268904), (104, 201678), (156, 134452), (208, 100839), (312, 67226), (624, 33613)]