20385216

素因数分解:

$2^6\times 3^3\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 112

約数和(自身を含む): 61447680

約数和(自身を除く): 41062464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 141, 144, 188, 192, 216, 251, 282, 288, 376, 423, 432, 502, 564, 576, 752, 753, 846, 864, 1004, 1128, 1269, 1504, 1506, 1692, 1728, 2008, 2256, 2259, 2538, 3008, 3012, 3384, 4016, 4512, 4518, 5076, 6024, 6768, 6777, 8032, 9024, 9036, 10152, 11797, 12048, 13536, 13554, 16064, 18072, 20304, 23594, 24096, 27072, 27108, 35391, 36144, 40608, 47188, 48192, 54216, 70782, 72288, 81216, 94376, 106173, 108432, 141564, 144576, 188752, 212346, 216864, 283128, 318519, 377504, 424692, 433728, 566256, 637038, 755008, 849384, 1132512, 1274076, 1698768, 2265024, 2548152, 3397536, 5096304, 6795072, 10192608, 20385216]

約数ペア:

[(1, 20385216), (2, 10192608), (3, 6795072), (4, 5096304), (6, 3397536), (8, 2548152), (9, 2265024), (12, 1698768), (16, 1274076), (18, 1132512), (24, 849384), (27, 755008), (32, 637038), (36, 566256), (47, 433728), (48, 424692), (54, 377504), (64, 318519), (72, 283128), (94, 216864), (96, 212346), (108, 188752), (141, 144576), (144, 141564), (188, 108432), (192, 106173), (216, 94376), (251, 81216), (282, 72288), (288, 70782), (376, 54216), (423, 48192), (432, 47188), (502, 40608), (564, 36144), (576, 35391), (752, 27108), (753, 27072), (846, 24096), (864, 23594), (1004, 20304), (1128, 18072), (1269, 16064), (1504, 13554), (1506, 13536), (1692, 12048), (1728, 11797), (2008, 10152), (2256, 9036), (2259, 9024), (2538, 8032), (3008, 6777), (3012, 6768), (3384, 6024), (4016, 5076), (4512, 4518)]