20137535775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{40849}}^1$

素因数の和:41185

約数の個数: 72

約数和(自身を含む): 41353925600

約数和(自身を除く): 21216389825

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 313, 315, 525, 939, 1565, 1575, 2191, 2817, 4695, 6573, 7825, 10955, 14085, 19719, 23475, 32865, 40849, 54775, 70425, 98595, 122547, 164325, 204245, 285943, 367641, 492975, 612735, 857829, 1021225, 1429715, 1838205, 2573487, 3063675, 4289145, 7148575, 9191025, 12785737, 12867435, 21445725, 38357211, 63928685, 64337175, 89500159, 115071633, 191786055, 268500477, 319643425, 447500795, 575358165, 805501431, 958930275, 1342502385, 2237503975, 2876790825, 4027507155, 6712511925, 20137535775]

約数ペア:

[(1, 20137535775), (3, 6712511925), (5, 4027507155), (7, 2876790825), (9, 2237503975), (15, 1342502385), (21, 958930275), (25, 805501431), (35, 575358165), (45, 447500795), (63, 319643425), (75, 268500477), (105, 191786055), (175, 115071633), (225, 89500159), (313, 64337175), (315, 63928685), (525, 38357211), (939, 21445725), (1565, 12867435), (1575, 12785737), (2191, 9191025), (2817, 7148575), (4695, 4289145), (6573, 3063675), (7825, 2573487), (10955, 1838205), (14085, 1429715), (19719, 1021225), (23475, 857829), (32865, 612735), (40849, 492975), (54775, 367641), (70425, 285943), (98595, 204245), (122547, 164325)]