20098998

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3501

約数の個数: 48

約数和(自身を含む): 48550320

約数和(自身を除く): 28451322

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 306, 323, 342, 646, 969, 1938, 2907, 3457, 5814, 6914, 10371, 20742, 31113, 58769, 62226, 65683, 117538, 131366, 176307, 197049, 352614, 394098, 528921, 591147, 1057842, 1116611, 1182294, 2233222, 3349833, 6699666, 10049499, 20098998]

約数ペア:

[(1, 20098998), (2, 10049499), (3, 6699666), (6, 3349833), (9, 2233222), (17, 1182294), (18, 1116611), (19, 1057842), (34, 591147), (38, 528921), (51, 394098), (57, 352614), (102, 197049), (114, 176307), (153, 131366), (171, 117538), (306, 65683), (323, 62226), (342, 58769), (646, 31113), (969, 20742), (1938, 10371), (2907, 6914), (3457, 5814)]