20888512

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 44659296

約数和(自身を除く): 23770784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 263, 272, 292, 526, 544, 584, 1052, 1088, 1168, 1241, 2104, 2336, 2482, 4208, 4471, 4672, 4964, 8416, 8942, 9928, 16832, 17884, 19199, 19856, 35768, 38398, 39712, 71536, 76796, 79424, 143072, 153592, 286144, 307184, 326383, 614368, 652766, 1228736, 1305532, 2611064, 5222128, 10444256, 20888512]

約数ペア:

[(1, 20888512), (2, 10444256), (4, 5222128), (8, 2611064), (16, 1305532), (17, 1228736), (32, 652766), (34, 614368), (64, 326383), (68, 307184), (73, 286144), (136, 153592), (146, 143072), (263, 79424), (272, 76796), (292, 71536), (526, 39712), (544, 38398), (584, 35768), (1052, 19856), (1088, 19199), (1168, 17884), (1241, 16832), (2104, 9928), (2336, 8942), (2482, 8416), (4208, 4964), (4471, 4672)]