20944872

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7459}}^1$

素因数の和:7487

約数の個数: 64

約数和(自身を含む): 62664000

約数和(自身を除く): 41719128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7459, 14918, 22377, 29836, 44754, 59672, 67131, 89508, 96967, 134262, 179016, 193934, 201393, 268524, 290901, 387868, 402786, 537048, 581802, 775736, 805572, 872703, 1163604, 1611144, 1745406, 2327208, 2618109, 3490812, 5236218, 6981624, 10472436, 20944872]

約数ペア:

[(1, 20944872), (2, 10472436), (3, 6981624), (4, 5236218), (6, 3490812), (8, 2618109), (9, 2327208), (12, 1745406), (13, 1611144), (18, 1163604), (24, 872703), (26, 805572), (27, 775736), (36, 581802), (39, 537048), (52, 402786), (54, 387868), (72, 290901), (78, 268524), (104, 201393), (108, 193934), (117, 179016), (156, 134262), (216, 96967), (234, 89508), (312, 67131), (351, 59672), (468, 44754), (702, 29836), (936, 22377), (1404, 14918), (2808, 7459)]