20328912

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1880

約数の個数: 60

約数和(自身を含む): 57645120

約数和(自身を除く): 37316208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1787, 1896, 2844, 3574, 3792, 5361, 5688, 7148, 10722, 11376, 14296, 16083, 21444, 28592, 32166, 42888, 64332, 85776, 128664, 141173, 257328, 282346, 423519, 564692, 847038, 1129384, 1270557, 1694076, 2258768, 2541114, 3388152, 5082228, 6776304, 10164456, 20328912]

約数ペア:

[(1, 20328912), (2, 10164456), (3, 6776304), (4, 5082228), (6, 3388152), (8, 2541114), (9, 2258768), (12, 1694076), (16, 1270557), (18, 1129384), (24, 847038), (36, 564692), (48, 423519), (72, 282346), (79, 257328), (144, 141173), (158, 128664), (237, 85776), (316, 64332), (474, 42888), (632, 32166), (711, 28592), (948, 21444), (1264, 16083), (1422, 14296), (1787, 11376), (1896, 10722), (2844, 7148), (3574, 5688), (3792, 5361)]