20408058736

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{142403}}^1$

素因数の和:142490

約数の個数: 60

約数和(自身を含む): 43624326168

約数和(自身を除く): 23216267432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 169, 208, 212, 338, 424, 676, 689, 848, 1352, 1378, 2704, 2756, 5512, 8957, 11024, 17914, 35828, 71656, 142403, 143312, 284806, 569612, 1139224, 1851239, 2278448, 3702478, 7404956, 7547359, 14809912, 15094718, 24066107, 29619824, 30189436, 48132214, 60378872, 96264428, 98115667, 120757744, 192528856, 196231334, 385057712, 392462668, 784925336, 1275503671, 1569850672, 2551007342, 5102014684, 10204029368, 20408058736]

約数ペア:

[(1, 20408058736), (2, 10204029368), (4, 5102014684), (8, 2551007342), (13, 1569850672), (16, 1275503671), (26, 784925336), (52, 392462668), (53, 385057712), (104, 196231334), (106, 192528856), (169, 120757744), (208, 98115667), (212, 96264428), (338, 60378872), (424, 48132214), (676, 30189436), (689, 29619824), (848, 24066107), (1352, 15094718), (1378, 14809912), (2704, 7547359), (2756, 7404956), (5512, 3702478), (8957, 2278448), (11024, 1851239), (17914, 1139224), (35828, 569612), (71656, 284806), (142403, 143312)]