20346868144

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{22291}}^1$

素因数の和:23029

約数の個数: 40

約数和(自身を含む): 39928984560

約数和(自身を除く): 19582116416

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 641, 712, 1282, 1424, 2564, 5128, 10256, 22291, 44582, 57049, 89164, 114098, 178328, 228196, 356656, 456392, 912784, 1983899, 3967798, 7935596, 14288531, 15871192, 28577062, 31742384, 57154124, 114308248, 228616496, 1271679259, 2543358518, 5086717036, 10173434072, 20346868144]

約数ペア:

[(1, 20346868144), (2, 10173434072), (4, 5086717036), (8, 2543358518), (16, 1271679259), (89, 228616496), (178, 114308248), (356, 57154124), (641, 31742384), (712, 28577062), (1282, 15871192), (1424, 14288531), (2564, 7935596), (5128, 3967798), (10256, 1983899), (22291, 912784), (44582, 456392), (57049, 356656), (89164, 228196), (114098, 178328)]