20447350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 48854016

約数和(自身を除く): 28406666

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 47, 50, 55, 70, 77, 94, 110, 113, 154, 175, 226, 235, 275, 329, 350, 385, 470, 517, 550, 565, 658, 770, 791, 1034, 1130, 1175, 1243, 1582, 1645, 1925, 2350, 2486, 2585, 2825, 3290, 3619, 3850, 3955, 5170, 5311, 5650, 6215, 7238, 7910, 8225, 8701, 10622, 12430, 12925, 16450, 17402, 18095, 19775, 25850, 26555, 31075, 36190, 37177, 39550, 43505, 53110, 58421, 62150, 74354, 87010, 90475, 116842, 132775, 180950, 185885, 217525, 265550, 292105, 371770, 408947, 435050, 584210, 817894, 929425, 1460525, 1858850, 2044735, 2921050, 4089470, 10223675, 20447350]

約数ペア:

[(1, 20447350), (2, 10223675), (5, 4089470), (7, 2921050), (10, 2044735), (11, 1858850), (14, 1460525), (22, 929425), (25, 817894), (35, 584210), (47, 435050), (50, 408947), (55, 371770), (70, 292105), (77, 265550), (94, 217525), (110, 185885), (113, 180950), (154, 132775), (175, 116842), (226, 90475), (235, 87010), (275, 74354), (329, 62150), (350, 58421), (385, 53110), (470, 43505), (517, 39550), (550, 37177), (565, 36190), (658, 31075), (770, 26555), (791, 25850), (1034, 19775), (1130, 18095), (1175, 17402), (1243, 16450), (1582, 12925), (1645, 12430), (1925, 10622), (2350, 8701), (2486, 8225), (2585, 7910), (2825, 7238), (3290, 6215), (3619, 5650), (3850, 5311), (3955, 5170)]