20136764865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{307831}}^1$

素因数の和:307942

約数の個数: 48

約数和(自身を含む): 37900275840

約数和(自身を除く): 17763510975

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 147, 245, 267, 445, 623, 735, 1335, 1869, 3115, 4361, 9345, 13083, 21805, 65415, 307831, 923493, 1539155, 2154817, 4617465, 6464451, 10774085, 15083719, 27396959, 32322255, 45251157, 75418595, 82190877, 136984795, 191778713, 226255785, 410954385, 575336139, 958893565, 1342450991, 2876680695, 4027352973, 6712254955, 20136764865]

約数ペア:

[(1, 20136764865), (3, 6712254955), (5, 4027352973), (7, 2876680695), (15, 1342450991), (21, 958893565), (35, 575336139), (49, 410954385), (89, 226255785), (105, 191778713), (147, 136984795), (245, 82190877), (267, 75418595), (445, 45251157), (623, 32322255), (735, 27396959), (1335, 15083719), (1869, 10774085), (3115, 6464451), (4361, 4617465), (9345, 2154817), (13083, 1539155), (21805, 923493), (65415, 307831)]