20171505856

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{20441}}^1$

素因数の和:21377

約数の個数: 56

約数和(自身を含む): 42431214096

約数和(自身を除く): 22259708240

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 907, 1088, 1814, 3628, 7256, 14512, 15419, 20441, 29024, 30838, 40882, 58048, 61676, 81764, 123352, 163528, 246704, 327056, 347497, 493408, 654112, 694994, 986816, 1308224, 1389988, 2779976, 5559952, 11119904, 18539987, 22239808, 37079974, 74159948, 148319896, 296639792, 315179779, 593279584, 630359558, 1186559168, 1260719116, 2521438232, 5042876464, 10085752928, 20171505856]

約数ペア:

[(1, 20171505856), (2, 10085752928), (4, 5042876464), (8, 2521438232), (16, 1260719116), (17, 1186559168), (32, 630359558), (34, 593279584), (64, 315179779), (68, 296639792), (136, 148319896), (272, 74159948), (544, 37079974), (907, 22239808), (1088, 18539987), (1814, 11119904), (3628, 5559952), (7256, 2779976), (14512, 1389988), (15419, 1308224), (20441, 986816), (29024, 694994), (30838, 654112), (40882, 493408), (58048, 347497), (61676, 327056), (81764, 246704), (123352, 163528)]