20001455904

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{247739}}^1$

素因数の和:247810

約数の個数: 72

約数和(自身を含む): 54376948080

約数和(自身を除く): 34375492176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 841, 928, 1392, 1682, 2523, 2784, 3364, 5046, 6728, 10092, 13456, 20184, 26912, 40368, 80736, 247739, 495478, 743217, 990956, 1486434, 1981912, 2972868, 3963824, 5945736, 7184431, 7927648, 11891472, 14368862, 21553293, 23782944, 28737724, 43106586, 57475448, 86213172, 114950896, 172426344, 208348499, 229901792, 344852688, 416696998, 625045497, 689705376, 833393996, 1250090994, 1666787992, 2500181988, 3333575984, 5000363976, 6667151968, 10000727952, 20001455904]

約数ペア:

[(1, 20001455904), (2, 10000727952), (3, 6667151968), (4, 5000363976), (6, 3333575984), (8, 2500181988), (12, 1666787992), (16, 1250090994), (24, 833393996), (29, 689705376), (32, 625045497), (48, 416696998), (58, 344852688), (87, 229901792), (96, 208348499), (116, 172426344), (174, 114950896), (232, 86213172), (348, 57475448), (464, 43106586), (696, 28737724), (841, 23782944), (928, 21553293), (1392, 14368862), (1682, 11891472), (2523, 7927648), (2784, 7184431), (3364, 5945736), (5046, 3963824), (6728, 2972868), (10092, 1981912), (13456, 1486434), (20184, 990956), (26912, 743217), (40368, 495478), (80736, 247739)]