20216376

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4603}}^1$

素因数の和:4676

約数の個数: 48

約数和(自身を含む): 55662360

約数和(自身を除く): 35445984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4603, 9206, 13809, 18412, 27618, 36824, 41427, 55236, 82854, 110472, 165708, 280783, 331416, 561566, 842349, 1123132, 1684698, 2246264, 2527047, 3369396, 5054094, 6738792, 10108188, 20216376]

約数ペア:

[(1, 20216376), (2, 10108188), (3, 6738792), (4, 5054094), (6, 3369396), (8, 2527047), (9, 2246264), (12, 1684698), (18, 1123132), (24, 842349), (36, 561566), (61, 331416), (72, 280783), (122, 165708), (183, 110472), (244, 82854), (366, 55236), (488, 41427), (549, 36824), (732, 27618), (1098, 18412), (1464, 13809), (2196, 9206), (4392, 4603)]