20003700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 58433760

約数和(自身を除く): 38430060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 131, 150, 262, 300, 393, 509, 524, 655, 786, 1018, 1310, 1527, 1572, 1965, 2036, 2545, 2620, 3054, 3275, 3930, 5090, 6108, 6550, 7635, 7860, 9825, 10180, 12725, 13100, 15270, 19650, 25450, 30540, 38175, 39300, 50900, 66679, 76350, 133358, 152700, 200037, 266716, 333395, 400074, 666790, 800148, 1000185, 1333580, 1666975, 2000370, 3333950, 4000740, 5000925, 6667900, 10001850, 20003700]

約数ペア:

[(1, 20003700), (2, 10001850), (3, 6667900), (4, 5000925), (5, 4000740), (6, 3333950), (10, 2000370), (12, 1666975), (15, 1333580), (20, 1000185), (25, 800148), (30, 666790), (50, 400074), (60, 333395), (75, 266716), (100, 200037), (131, 152700), (150, 133358), (262, 76350), (300, 66679), (393, 50900), (509, 39300), (524, 38175), (655, 30540), (786, 25450), (1018, 19650), (1310, 15270), (1527, 13100), (1572, 12725), (1965, 10180), (2036, 9825), (2545, 7860), (2620, 7635), (3054, 6550), (3275, 6108), (3930, 5090)]