20512272837

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{26881}}^1$

素因数の和:27106

約数の個数: 48

約数和(自身を含む): 33097118400

約数和(自身を除く): 12584845563

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 179, 203, 537, 609, 1253, 1421, 3759, 4263, 5191, 8771, 15573, 26313, 26881, 36337, 80643, 109011, 188167, 254359, 564501, 763077, 779549, 1317169, 2338647, 3951507, 4811699, 5456843, 14435097, 16370529, 33681893, 38197901, 101045679, 114593703, 139539271, 235773251, 418617813, 707319753, 976774897, 2930324691, 6837424279, 20512272837]

約数ペア:

[(1, 20512272837), (3, 6837424279), (7, 2930324691), (21, 976774897), (29, 707319753), (49, 418617813), (87, 235773251), (147, 139539271), (179, 114593703), (203, 101045679), (537, 38197901), (609, 33681893), (1253, 16370529), (1421, 14435097), (3759, 5456843), (4263, 4811699), (5191, 3951507), (8771, 2338647), (15573, 1317169), (26313, 779549), (26881, 763077), (36337, 564501), (80643, 254359), (109011, 188167)]