20698032964

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{6101}}^1$

素因数の和:7049

約数の個数: 72

約数和(自身を含む): 44408891520

約数和(自身を除く): 23710858556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 911, 931, 1822, 1862, 3644, 3724, 6101, 6377, 12202, 12754, 17309, 24404, 25508, 34618, 42707, 44639, 69236, 85414, 89278, 115919, 121163, 170828, 178556, 231838, 242326, 298949, 463676, 484652, 597898, 811433, 848141, 1195796, 1622866, 1696282, 3245732, 3392564, 5558011, 5680031, 11116022, 11360062, 22232044, 22720124, 38906077, 77812154, 105602209, 155624308, 211204418, 272342539, 422408836, 544685078, 739215463, 1089370156, 1478430926, 2956861852, 5174508241, 10349016482, 20698032964]

約数ペア:

[(1, 20698032964), (2, 10349016482), (4, 5174508241), (7, 2956861852), (14, 1478430926), (19, 1089370156), (28, 739215463), (38, 544685078), (49, 422408836), (76, 272342539), (98, 211204418), (133, 155624308), (196, 105602209), (266, 77812154), (532, 38906077), (911, 22720124), (931, 22232044), (1822, 11360062), (1862, 11116022), (3644, 5680031), (3724, 5558011), (6101, 3392564), (6377, 3245732), (12202, 1696282), (12754, 1622866), (17309, 1195796), (24404, 848141), (25508, 811433), (34618, 597898), (42707, 484652), (44639, 463676), (69236, 298949), (85414, 242326), (89278, 231838), (115919, 178556), (121163, 170828)]