20938528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50333}}^1$

素因数の和:50356

約数の個数: 24

約数和(自身を含む): 44394588

約数和(自身を除く): 23456060

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50333, 100666, 201332, 402664, 654329, 805328, 1308658, 1610656, 2617316, 5234632, 10469264, 20938528]

約数ペア:

[(1, 20938528), (2, 10469264), (4, 5234632), (8, 2617316), (13, 1610656), (16, 1308658), (26, 805328), (32, 654329), (52, 402664), (104, 201332), (208, 100666), (416, 50333)]