20213218144

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{758299}}^1$

素因数の和:758340

約数の個数: 72

約数和(自身を含む): 49014995400

約数和(自身を除く): 28801777256

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 13328, 26656, 758299, 1516598, 3033196, 5308093, 6066392, 10616186, 12132784, 12891083, 21232372, 24265568, 25782166, 37156651, 42464744, 51564332, 74313302, 84929488, 90237581, 103128664, 148626604, 169858976, 180475162, 206257328, 297253208, 360950324, 412514656, 594506416, 631663067, 721900648, 1189012832, 1263326134, 1443801296, 2526652268, 2887602592, 5053304536, 10106609072, 20213218144]

約数ペア:

[(1, 20213218144), (2, 10106609072), (4, 5053304536), (7, 2887602592), (8, 2526652268), (14, 1443801296), (16, 1263326134), (17, 1189012832), (28, 721900648), (32, 631663067), (34, 594506416), (49, 412514656), (56, 360950324), (68, 297253208), (98, 206257328), (112, 180475162), (119, 169858976), (136, 148626604), (196, 103128664), (224, 90237581), (238, 84929488), (272, 74313302), (392, 51564332), (476, 42464744), (544, 37156651), (784, 25782166), (833, 24265568), (952, 21232372), (1568, 12891083), (1666, 12132784), (1904, 10616186), (3332, 6066392), (3808, 5308093), (6664, 3033196), (13328, 1516598), (26656, 758299)]