20433777

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 35118720

約数和(自身を除く): 14684943

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 89, 91, 203, 267, 273, 377, 609, 623, 841, 1131, 1157, 1869, 2523, 2581, 2639, 3471, 5887, 7743, 7917, 8099, 10933, 17661, 18067, 24297, 32799, 33553, 54201, 74849, 76531, 100659, 224547, 229593, 234871, 523943, 704613, 973037, 1571829, 2919111, 6811259, 20433777]

約数ペア:

[(1, 20433777), (3, 6811259), (7, 2919111), (13, 1571829), (21, 973037), (29, 704613), (39, 523943), (87, 234871), (89, 229593), (91, 224547), (203, 100659), (267, 76531), (273, 74849), (377, 54201), (609, 33553), (623, 32799), (841, 24297), (1131, 18067), (1157, 17661), (1869, 10933), (2523, 8099), (2581, 7917), (2639, 7743), (3471, 5887)]