20462085

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 42393600

約数和(自身を除く): 21931515

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 177, 189, 295, 315, 367, 413, 531, 885, 945, 1101, 1239, 1593, 1835, 2065, 2569, 2655, 3303, 3717, 5505, 6195, 7707, 7965, 9909, 11151, 12845, 16515, 18585, 21653, 23121, 38535, 49545, 55755, 64959, 69363, 108265, 115605, 151571, 194877, 324795, 346815, 454713, 584631, 757855, 974385, 1364139, 2273565, 2923155, 4092417, 6820695, 20462085]

約数ペア:

[(1, 20462085), (3, 6820695), (5, 4092417), (7, 2923155), (9, 2273565), (15, 1364139), (21, 974385), (27, 757855), (35, 584631), (45, 454713), (59, 346815), (63, 324795), (105, 194877), (135, 151571), (177, 115605), (189, 108265), (295, 69363), (315, 64959), (367, 55755), (413, 49545), (531, 38535), (885, 23121), (945, 21653), (1101, 18585), (1239, 16515), (1593, 12845), (1835, 11151), (2065, 9909), (2569, 7965), (2655, 7707), (3303, 6195), (3717, 5505)]