20867340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:919

約数の個数: 96

約数和(自身を含む): 65028096

約数和(自身を除く): 44160756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 863, 930, 1209, 1612, 1726, 1860, 2015, 2418, 2589, 3452, 4030, 4315, 4836, 5178, 6045, 8060, 8630, 10356, 11219, 12090, 12945, 17260, 22438, 24180, 25890, 26753, 33657, 44876, 51780, 53506, 56095, 67314, 80259, 107012, 112190, 133765, 134628, 160518, 168285, 224380, 267530, 321036, 336570, 347789, 401295, 535060, 673140, 695578, 802590, 1043367, 1391156, 1605180, 1738945, 2086734, 3477890, 4173468, 5216835, 6955780, 10433670, 20867340]

約数ペア:

[(1, 20867340), (2, 10433670), (3, 6955780), (4, 5216835), (5, 4173468), (6, 3477890), (10, 2086734), (12, 1738945), (13, 1605180), (15, 1391156), (20, 1043367), (26, 802590), (30, 695578), (31, 673140), (39, 535060), (52, 401295), (60, 347789), (62, 336570), (65, 321036), (78, 267530), (93, 224380), (124, 168285), (130, 160518), (155, 134628), (156, 133765), (186, 112190), (195, 107012), (260, 80259), (310, 67314), (372, 56095), (390, 53506), (403, 51780), (465, 44876), (620, 33657), (780, 26753), (806, 25890), (863, 24180), (930, 22438), (1209, 17260), (1612, 12945), (1726, 12090), (1860, 11219), (2015, 10356), (2418, 8630), (2589, 8060), (3452, 6045), (4030, 5178), (4315, 4836)]