20945832

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 34350168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 47, 62, 93, 94, 124, 141, 186, 188, 248, 282, 372, 376, 564, 599, 744, 1128, 1198, 1457, 1797, 2396, 2914, 3594, 4371, 4792, 5828, 7188, 8742, 11656, 14376, 17484, 18569, 28153, 34968, 37138, 55707, 56306, 74276, 84459, 111414, 112612, 148552, 168918, 222828, 225224, 337836, 445656, 675672, 872743, 1745486, 2618229, 3490972, 5236458, 6981944, 10472916, 20945832]

約数ペア:

[(1, 20945832), (2, 10472916), (3, 6981944), (4, 5236458), (6, 3490972), (8, 2618229), (12, 1745486), (24, 872743), (31, 675672), (47, 445656), (62, 337836), (93, 225224), (94, 222828), (124, 168918), (141, 148552), (186, 112612), (188, 111414), (248, 84459), (282, 74276), (372, 56306), (376, 55707), (564, 37138), (599, 34968), (744, 28153), (1128, 18569), (1198, 17484), (1457, 14376), (1797, 11656), (2396, 8742), (2914, 7188), (3594, 5828), (4371, 4792)]