20506336

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 41885424

約数和(自身を除く): 21379088

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 107, 113, 212, 214, 226, 424, 428, 452, 848, 856, 904, 1696, 1712, 1808, 3424, 3616, 5671, 5989, 11342, 11978, 12091, 22684, 23956, 24182, 45368, 47912, 48364, 90736, 95824, 96728, 181472, 191648, 193456, 386912, 640823, 1281646, 2563292, 5126584, 10253168, 20506336]

約数ペア:

[(1, 20506336), (2, 10253168), (4, 5126584), (8, 2563292), (16, 1281646), (32, 640823), (53, 386912), (106, 193456), (107, 191648), (113, 181472), (212, 96728), (214, 95824), (226, 90736), (424, 48364), (428, 47912), (452, 45368), (848, 24182), (856, 23956), (904, 22684), (1696, 12091), (1712, 11978), (1808, 11342), (3424, 5989), (3616, 5671)]