20547456

素因数分解:

$2^7\times 3^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 55402320

約数和(自身を除く): 34854864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 292, 384, 438, 584, 733, 876, 1168, 1466, 1752, 2199, 2336, 2932, 3504, 4398, 4672, 5864, 7008, 8796, 9344, 11728, 14016, 17592, 23456, 28032, 35184, 46912, 53509, 70368, 93824, 107018, 140736, 160527, 214036, 281472, 321054, 428072, 642108, 856144, 1284216, 1712288, 2568432, 3424576, 5136864, 6849152, 10273728, 20547456]

約数ペア:

[(1, 20547456), (2, 10273728), (3, 6849152), (4, 5136864), (6, 3424576), (8, 2568432), (12, 1712288), (16, 1284216), (24, 856144), (32, 642108), (48, 428072), (64, 321054), (73, 281472), (96, 214036), (128, 160527), (146, 140736), (192, 107018), (219, 93824), (292, 70368), (384, 53509), (438, 46912), (584, 35184), (733, 28032), (876, 23456), (1168, 17592), (1466, 14016), (1752, 11728), (2199, 9344), (2336, 8796), (2932, 7008), (3504, 5864), (4398, 4672)]