20808687616

素因数分解:

$2^{13}\times {\mathrm{17}}^1\times {\mathrm{149419}}^1$

素因数の和:149462

約数の個数: 56

約数和(自身を含む): 44063061480

約数和(自身を除く): 23254373864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 4096, 4352, 8192, 8704, 17408, 34816, 69632, 139264, 149419, 298838, 597676, 1195352, 2390704, 2540123, 4781408, 5080246, 9562816, 10160492, 19125632, 20320984, 38251264, 40641968, 76502528, 81283936, 153005056, 162567872, 306010112, 325135744, 612020224, 650271488, 1224040448, 1300542976, 2601085952, 5202171904, 10404343808, 20808687616]

約数ペア:

[(1, 20808687616), (2, 10404343808), (4, 5202171904), (8, 2601085952), (16, 1300542976), (17, 1224040448), (32, 650271488), (34, 612020224), (64, 325135744), (68, 306010112), (128, 162567872), (136, 153005056), (256, 81283936), (272, 76502528), (512, 40641968), (544, 38251264), (1024, 20320984), (1088, 19125632), (2048, 10160492), (2176, 9562816), (4096, 5080246), (4352, 4781408), (8192, 2540123), (8704, 2390704), (17408, 1195352), (34816, 597676), (69632, 298838), (139264, 149419)]