16920852912

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{551671}}^1$

素因数の和:551759

約数の個数: 80

約数和(自身を含む): 49253276160

約数和(自身を除く): 32332423248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 852, 1136, 1278, 1704, 1917, 2556, 3408, 3834, 5112, 7668, 10224, 15336, 30672, 551671, 1103342, 1655013, 2206684, 3310026, 4413368, 4965039, 6620052, 8826736, 9930078, 13240104, 14895117, 19860156, 26480208, 29790234, 39168641, 39720312, 59580468, 78337282, 79440624, 117505923, 119160936, 156674564, 235011846, 238321872, 313349128, 352517769, 470023692, 626698256, 705035538, 940047384, 1057553307, 1410071076, 1880094768, 2115106614, 2820142152, 4230213228, 5640284304, 8460426456, 16920852912]

約数ペア:

[(1, 16920852912), (2, 8460426456), (3, 5640284304), (4, 4230213228), (6, 2820142152), (8, 2115106614), (9, 1880094768), (12, 1410071076), (16, 1057553307), (18, 940047384), (24, 705035538), (27, 626698256), (36, 470023692), (48, 352517769), (54, 313349128), (71, 238321872), (72, 235011846), (108, 156674564), (142, 119160936), (144, 117505923), (213, 79440624), (216, 78337282), (284, 59580468), (426, 39720312), (432, 39168641), (568, 29790234), (639, 26480208), (852, 19860156), (1136, 14895117), (1278, 13240104), (1704, 9930078), (1917, 8826736), (2556, 6620052), (3408, 4965039), (3834, 4413368), (5112, 3310026), (7668, 2206684), (10224, 1655013), (15336, 1103342), (30672, 551671)]