20537647515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{5981}}^1$

素因数の和:7001

約数の個数: 96

約数和(自身を含む): 44434870272

約数和(自身を除く): 23897222757

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 991, 1155, 2973, 3465, 4955, 5981, 6937, 8919, 10901, 14865, 17943, 20811, 29905, 32703, 34685, 41867, 44595, 53829, 54505, 62433, 65791, 76307, 89715, 98109, 104055, 125601, 163515, 197373, 209335, 228921, 269145, 312165, 328955, 376803, 381535, 460537, 490545, 592119, 628005, 686763, 986865, 1144605, 1381611, 1884015, 2302685, 2960595, 3433815, 4144833, 5927171, 6908055, 17781513, 20724165, 29635855, 41490197, 53344539, 65198881, 88907565, 124470591, 195596643, 207450985, 266722695, 325994405, 373411773, 456392167, 586789929, 622352955, 977983215, 1369176501, 1867058865, 2281960835, 2933949645, 4107529503, 6845882505, 20537647515]

約数ペア:

[(1, 20537647515), (3, 6845882505), (5, 4107529503), (7, 2933949645), (9, 2281960835), (11, 1867058865), (15, 1369176501), (21, 977983215), (33, 622352955), (35, 586789929), (45, 456392167), (55, 373411773), (63, 325994405), (77, 266722695), (99, 207450985), (105, 195596643), (165, 124470591), (231, 88907565), (315, 65198881), (385, 53344539), (495, 41490197), (693, 29635855), (991, 20724165), (1155, 17781513), (2973, 6908055), (3465, 5927171), (4955, 4144833), (5981, 3433815), (6937, 2960595), (8919, 2302685), (10901, 1884015), (14865, 1381611), (17943, 1144605), (20811, 986865), (29905, 686763), (32703, 628005), (34685, 592119), (41867, 490545), (44595, 460537), (53829, 381535), (54505, 376803), (62433, 328955), (65791, 312165), (76307, 269145), (89715, 228921), (98109, 209335), (104055, 197373), (125601, 163515)]