20332280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29434120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 863, 1178, 1240, 1726, 2356, 2945, 3452, 4315, 4712, 5890, 6904, 8630, 11780, 16397, 17260, 23560, 26753, 32794, 34520, 53506, 65588, 81985, 107012, 131176, 133765, 163970, 214024, 267530, 327940, 508307, 535060, 655880, 1016614, 1070120, 2033228, 2541535, 4066456, 5083070, 10166140, 20332280]

約数ペア:

[(1, 20332280), (2, 10166140), (4, 5083070), (5, 4066456), (8, 2541535), (10, 2033228), (19, 1070120), (20, 1016614), (31, 655880), (38, 535060), (40, 508307), (62, 327940), (76, 267530), (95, 214024), (124, 163970), (152, 133765), (155, 131176), (190, 107012), (248, 81985), (310, 65588), (380, 53506), (589, 34520), (620, 32794), (760, 26753), (863, 23560), (1178, 17260), (1240, 16397), (1726, 11780), (2356, 8630), (2945, 6904), (3452, 5890), (4315, 4712)]