20148180632

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{122741}}^1$

素因数の和:122852

約数の個数: 48

約数和(自身を含む): 40696337520

約数和(自身を除く): 20548156888

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 289, 568, 578, 1156, 1207, 2312, 2414, 4828, 9656, 20519, 41038, 82076, 122741, 164152, 245482, 490964, 981928, 2086597, 4173194, 8346388, 8714611, 16692776, 17429222, 34858444, 35472149, 69716888, 70944298, 141888596, 148148387, 283777192, 296296774, 592593548, 1185187096, 2518522579, 5037045158, 10074090316, 20148180632]

約数ペア:

[(1, 20148180632), (2, 10074090316), (4, 5037045158), (8, 2518522579), (17, 1185187096), (34, 592593548), (68, 296296774), (71, 283777192), (136, 148148387), (142, 141888596), (284, 70944298), (289, 69716888), (568, 35472149), (578, 34858444), (1156, 17429222), (1207, 16692776), (2312, 8714611), (2414, 8346388), (4828, 4173194), (9656, 2086597), (20519, 981928), (41038, 490964), (82076, 245482), (122741, 164152)]