20211005985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1743

約数の個数: 128

約数和(自身を含む): 37166874624

約数和(自身を除く): 16955868639

約数列:

[1, 3, 5, 15, 17, 31, 37, 43, 51, 85, 93, 111, 129, 155, 185, 215, 255, 465, 527, 555, 629, 645, 731, 1147, 1333, 1581, 1591, 1607, 1887, 2193, 2635, 3145, 3441, 3655, 3999, 4773, 4821, 5735, 6665, 7905, 7955, 8035, 9435, 10965, 17205, 19499, 19995, 22661, 23865, 24105, 27047, 27319, 49321, 49817, 58497, 59459, 67983, 69101, 81141, 81957, 97495, 113305, 135235, 136595, 147963, 149451, 178377, 207303, 246605, 249085, 292485, 297295, 339915, 345505, 405705, 409785, 739815, 747255, 838457, 846889, 891885, 1010803, 1036515, 1174717, 1843229, 2142131, 2515371, 2540667, 2556737, 3032409, 3524151, 4192285, 4234445, 5054015, 5529687, 5873585, 6426393, 7670211, 9216145, 10710655, 12576855, 12703335, 12783685, 15162045, 17620755, 27648435, 31334893, 32131965, 36416227, 38351055, 43464529, 79258847, 94004679, 109248681, 130393587, 156674465, 182081135, 217322645, 237776541, 396294235, 470023395, 546243405, 651967935, 1188882705, 1347400399, 4042201197, 6737001995, 20211005985]

約数ペア:

[(1, 20211005985), (3, 6737001995), (5, 4042201197), (15, 1347400399), (17, 1188882705), (31, 651967935), (37, 546243405), (43, 470023395), (51, 396294235), (85, 237776541), (93, 217322645), (111, 182081135), (129, 156674465), (155, 130393587), (185, 109248681), (215, 94004679), (255, 79258847), (465, 43464529), (527, 38351055), (555, 36416227), (629, 32131965), (645, 31334893), (731, 27648435), (1147, 17620755), (1333, 15162045), (1581, 12783685), (1591, 12703335), (1607, 12576855), (1887, 10710655), (2193, 9216145), (2635, 7670211), (3145, 6426393), (3441, 5873585), (3655, 5529687), (3999, 5054015), (4773, 4234445), (4821, 4192285), (5735, 3524151), (6665, 3032409), (7905, 2556737), (7955, 2540667), (8035, 2515371), (9435, 2142131), (10965, 1843229), (17205, 1174717), (19499, 1036515), (19995, 1010803), (22661, 891885), (23865, 846889), (24105, 838457), (27047, 747255), (27319, 739815), (49321, 409785), (49817, 405705), (58497, 345505), (59459, 339915), (67983, 297295), (69101, 292485), (81141, 249085), (81957, 246605), (97495, 207303), (113305, 178377), (135235, 149451), (136595, 147963)]