20605638

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 22294842

約数列:

[1, 2, 3, 6, 31, 62, 93, 139, 186, 278, 417, 797, 834, 1594, 2391, 4309, 4782, 8618, 12927, 24707, 25854, 49414, 74121, 110783, 148242, 221566, 332349, 664698, 3434273, 6868546, 10302819, 20605638]

約数ペア:

[(1, 20605638), (2, 10302819), (3, 6868546), (6, 3434273), (31, 664698), (62, 332349), (93, 221566), (139, 148242), (186, 110783), (278, 74121), (417, 49414), (797, 25854), (834, 24707), (1594, 12927), (2391, 8618), (4309, 4782)]