20953847070

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1989919}}^1$

素因数の和:1989951

約数の個数: 80

約数和(自身を含む): 60676640640

約数和(自身を除く): 39722793570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 1989919, 3979838, 5969757, 9949595, 11939514, 17909271, 19899190, 25868947, 29848785, 35818542, 51737894, 53727813, 59697570, 77606841, 89546355, 107455626, 129344735, 155213682, 161183439, 179092710, 232820523, 258689470, 268639065, 322366878, 388034205, 465641046, 537278130, 698461569, 776068410, 805917195, 1164102615, 1396923138, 1611834390, 2095384707, 2328205230, 3492307845, 4190769414, 6984615690, 10476923535, 20953847070]

約数ペア:

[(1, 20953847070), (2, 10476923535), (3, 6984615690), (5, 4190769414), (6, 3492307845), (9, 2328205230), (10, 2095384707), (13, 1611834390), (15, 1396923138), (18, 1164102615), (26, 805917195), (27, 776068410), (30, 698461569), (39, 537278130), (45, 465641046), (54, 388034205), (65, 322366878), (78, 268639065), (81, 258689470), (90, 232820523), (117, 179092710), (130, 161183439), (135, 155213682), (162, 129344735), (195, 107455626), (234, 89546355), (270, 77606841), (351, 59697570), (390, 53727813), (405, 51737894), (585, 35818542), (702, 29848785), (810, 25868947), (1053, 19899190), (1170, 17909271), (1755, 11939514), (2106, 9949595), (3510, 5969757), (5265, 3979838), (10530, 1989919)]