20255130

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1531}}^1$

素因数の和:1561

約数の個数: 96

約数和(自身を含む): 62873280

約数和(自身を除く): 42618150

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1531, 1890, 2205, 2646, 3062, 4410, 4593, 6615, 7655, 9186, 10717, 13230, 13779, 15310, 21434, 22965, 27558, 32151, 41337, 45930, 53585, 64302, 68895, 75019, 82674, 96453, 107170, 137790, 150038, 160755, 192906, 206685, 225057, 289359, 321510, 375095, 413370, 450114, 482265, 578718, 675171, 750190, 964530, 1125285, 1350342, 1446795, 2025513, 2250570, 2893590, 3375855, 4051026, 6751710, 10127565, 20255130]

約数ペア:

[(1, 20255130), (2, 10127565), (3, 6751710), (5, 4051026), (6, 3375855), (7, 2893590), (9, 2250570), (10, 2025513), (14, 1446795), (15, 1350342), (18, 1125285), (21, 964530), (27, 750190), (30, 675171), (35, 578718), (42, 482265), (45, 450114), (49, 413370), (54, 375095), (63, 321510), (70, 289359), (90, 225057), (98, 206685), (105, 192906), (126, 160755), (135, 150038), (147, 137790), (189, 107170), (210, 96453), (245, 82674), (270, 75019), (294, 68895), (315, 64302), (378, 53585), (441, 45930), (490, 41337), (630, 32151), (735, 27558), (882, 22965), (945, 21434), (1323, 15310), (1470, 13779), (1531, 13230), (1890, 10717), (2205, 9186), (2646, 7655), (3062, 6615), (4410, 4593)]