20262112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 23555648

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 919, 1378, 1696, 1838, 2756, 3676, 5512, 7352, 11024, 11947, 14704, 22048, 23894, 29408, 47788, 48707, 95576, 97414, 191152, 194828, 382304, 389656, 633191, 779312, 1266382, 1558624, 2532764, 5065528, 10131056, 20262112]

約数ペア:

[(1, 20262112), (2, 10131056), (4, 5065528), (8, 2532764), (13, 1558624), (16, 1266382), (26, 779312), (32, 633191), (52, 389656), (53, 382304), (104, 194828), (106, 191152), (208, 97414), (212, 95576), (416, 48707), (424, 47788), (689, 29408), (848, 23894), (919, 22048), (1378, 14704), (1696, 11947), (1838, 11024), (2756, 7352), (3676, 5512)]