20786121410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{4903}}^1$

素因数の和:5403

約数の個数: 64

約数和(自身を含む): 40230846720

約数和(自身を除く): 19444725310

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 421, 530, 842, 1007, 2014, 2105, 4210, 4903, 5035, 7999, 9806, 10070, 15998, 22313, 24515, 39995, 44626, 49030, 79990, 93157, 111565, 186314, 223130, 259859, 423947, 465785, 519718, 847894, 931570, 1299295, 2064163, 2119735, 2598590, 4128326, 4239470, 4937321, 9874642, 10320815, 20641630, 24686605, 39219097, 49373210, 78438194, 109400639, 196095485, 218801278, 392190970, 547003195, 1094006390, 2078612141, 4157224282, 10393060705, 20786121410]

約数ペア:

[(1, 20786121410), (2, 10393060705), (5, 4157224282), (10, 2078612141), (19, 1094006390), (38, 547003195), (53, 392190970), (95, 218801278), (106, 196095485), (190, 109400639), (265, 78438194), (421, 49373210), (530, 39219097), (842, 24686605), (1007, 20641630), (2014, 10320815), (2105, 9874642), (4210, 4937321), (4903, 4239470), (5035, 4128326), (7999, 2598590), (9806, 2119735), (10070, 2064163), (15998, 1299295), (22313, 931570), (24515, 847894), (39995, 519718), (44626, 465785), (49030, 423947), (79990, 259859), (93157, 223130), (111565, 186314)]