20047638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8291}}^1$

素因数の和:8340

約数の個数: 32

約数和(自身を含む): 44577792

約数和(自身を除く): 24530154

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8291, 16582, 24873, 49746, 107783, 215566, 257021, 323349, 514042, 646698, 771063, 1542126, 3341273, 6682546, 10023819, 20047638]

約数ペア:

[(1, 20047638), (2, 10023819), (3, 6682546), (6, 3341273), (13, 1542126), (26, 771063), (31, 646698), (39, 514042), (62, 323349), (78, 257021), (93, 215566), (186, 107783), (403, 49746), (806, 24873), (1209, 16582), (2418, 8291)]