20156121208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{12689}}^1$

素因数の和:12904

約数の個数: 64

約数和(自身を含む): 40293288000

約数和(自身を除く): 20137166792

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 97, 178, 184, 194, 356, 388, 712, 776, 2047, 2231, 4094, 4462, 8188, 8633, 8924, 12689, 16376, 17266, 17848, 25378, 34532, 50756, 69064, 101512, 198559, 291847, 397118, 583694, 794236, 1129321, 1167388, 1230833, 1588472, 2258642, 2334776, 2461666, 4517284, 4923332, 9034568, 9846664, 25974383, 28309159, 51948766, 56618318, 103897532, 109544137, 113236636, 207795064, 219088274, 226473272, 438176548, 876353096, 2519515151, 5039030302, 10078060604, 20156121208]

約数ペア:

[(1, 20156121208), (2, 10078060604), (4, 5039030302), (8, 2519515151), (23, 876353096), (46, 438176548), (89, 226473272), (92, 219088274), (97, 207795064), (178, 113236636), (184, 109544137), (194, 103897532), (356, 56618318), (388, 51948766), (712, 28309159), (776, 25974383), (2047, 9846664), (2231, 9034568), (4094, 4923332), (4462, 4517284), (8188, 2461666), (8633, 2334776), (8924, 2258642), (12689, 1588472), (16376, 1230833), (17266, 1167388), (17848, 1129321), (25378, 794236), (34532, 583694), (50756, 397118), (69064, 291847), (101512, 198559)]