20126264625

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{616897}}^1$

素因数の和:616947

約数の個数: 48

約数和(自身を含む): 37532074320

約数和(自身を除く): 17405809695

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 725, 1125, 1305, 2175, 3625, 6525, 10875, 32625, 616897, 1850691, 3084485, 5552073, 9253455, 15422425, 17890013, 27760365, 46267275, 53670039, 77112125, 89450065, 138801825, 161010117, 231336375, 268350195, 447250325, 694009125, 805050585, 1341750975, 2236251625, 4025252925, 6708754875, 20126264625]

約数ペア:

[(1, 20126264625), (3, 6708754875), (5, 4025252925), (9, 2236251625), (15, 1341750975), (25, 805050585), (29, 694009125), (45, 447250325), (75, 268350195), (87, 231336375), (125, 161010117), (145, 138801825), (225, 89450065), (261, 77112125), (375, 53670039), (435, 46267275), (725, 27760365), (1125, 17890013), (1305, 15422425), (2175, 9253455), (3625, 5552073), (6525, 3084485), (10875, 1850691), (32625, 616897)]