20778888568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1420099}}^1$

素因数の和:1420195

約数の個数: 32

約数和(自身を含む): 40898880000

約数和(自身を除く): 20119991432

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1829, 3658, 7316, 14632, 1420099, 2840198, 5680396, 11360792, 44023069, 83785841, 88046138, 167571682, 176092276, 335143364, 352184552, 670286728, 2597361071, 5194722142, 10389444284, 20778888568]

約数ペア:

[(1, 20778888568), (2, 10389444284), (4, 5194722142), (8, 2597361071), (31, 670286728), (59, 352184552), (62, 335143364), (118, 176092276), (124, 167571682), (236, 88046138), (248, 83785841), (472, 44023069), (1829, 11360792), (3658, 5680396), (7316, 2840198), (14632, 1420099)]