20763015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 43436736

約数和(自身を除く): 22673721

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 49, 53, 65, 91, 105, 123, 147, 159, 195, 205, 245, 265, 273, 287, 371, 455, 533, 615, 637, 689, 735, 795, 861, 1113, 1365, 1435, 1599, 1855, 1911, 2009, 2067, 2173, 2597, 2665, 3185, 3445, 3731, 4305, 4823, 5565, 6027, 6519, 7791, 7995, 9555, 10045, 10335, 10865, 11193, 12985, 14469, 15211, 18655, 24115, 26117, 28249, 30135, 32595, 33761, 38955, 45633, 55965, 72345, 76055, 78351, 84747, 101283, 106477, 130585, 141245, 168805, 197743, 228165, 319431, 391755, 423735, 506415, 532385, 593229, 988715, 1384201, 1597155, 2966145, 4152603, 6921005, 20763015]

約数ペア:

[(1, 20763015), (3, 6921005), (5, 4152603), (7, 2966145), (13, 1597155), (15, 1384201), (21, 988715), (35, 593229), (39, 532385), (41, 506415), (49, 423735), (53, 391755), (65, 319431), (91, 228165), (105, 197743), (123, 168805), (147, 141245), (159, 130585), (195, 106477), (205, 101283), (245, 84747), (265, 78351), (273, 76055), (287, 72345), (371, 55965), (455, 45633), (533, 38955), (615, 33761), (637, 32595), (689, 30135), (735, 28249), (795, 26117), (861, 24115), (1113, 18655), (1365, 15211), (1435, 14469), (1599, 12985), (1855, 11193), (1911, 10865), (2009, 10335), (2067, 10045), (2173, 9555), (2597, 7995), (2665, 7791), (3185, 6519), (3445, 6027), (3731, 5565), (4305, 4823)]