20163329487

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{54403}}^1$

素因数の和:54509

約数の個数: 64

約数和(自身を含む): 35723842560

約数和(自身を除く): 15560513073

約数列:

[1, 3, 7, 9, 21, 27, 37, 53, 63, 111, 159, 189, 259, 333, 371, 477, 777, 999, 1113, 1431, 1961, 2331, 3339, 5883, 6993, 10017, 13727, 17649, 41181, 52947, 54403, 123543, 163209, 370629, 380821, 489627, 1142463, 1468881, 2012911, 2883359, 3427389, 6038733, 8650077, 10282167, 14090377, 18116199, 20183513, 25950231, 42271131, 54348597, 60550539, 77850693, 106684283, 126813393, 181651617, 320052849, 380440179, 544954851, 746789981, 960158547, 2240369943, 2880475641, 6721109829, 20163329487]

約数ペア:

[(1, 20163329487), (3, 6721109829), (7, 2880475641), (9, 2240369943), (21, 960158547), (27, 746789981), (37, 544954851), (53, 380440179), (63, 320052849), (111, 181651617), (159, 126813393), (189, 106684283), (259, 77850693), (333, 60550539), (371, 54348597), (477, 42271131), (777, 25950231), (999, 20183513), (1113, 18116199), (1431, 14090377), (1961, 10282167), (2331, 8650077), (3339, 6038733), (5883, 3427389), (6993, 2883359), (10017, 2012911), (13727, 1468881), (17649, 1142463), (41181, 489627), (52947, 380821), (54403, 370629), (123543, 163209)]