20118450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 55442880

約数和(自身を除く): 35324430

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 89, 110, 137, 150, 165, 178, 267, 274, 275, 330, 411, 445, 534, 550, 685, 822, 825, 890, 979, 1335, 1370, 1507, 1650, 1958, 2055, 2225, 2670, 2937, 3014, 3425, 4110, 4450, 4521, 4895, 5874, 6675, 6850, 7535, 9042, 9790, 10275, 12193, 13350, 14685, 15070, 20550, 22605, 24386, 24475, 29370, 36579, 37675, 45210, 48950, 60965, 73158, 73425, 75350, 113025, 121930, 134123, 146850, 182895, 226050, 268246, 304825, 365790, 402369, 609650, 670615, 804738, 914475, 1341230, 1828950, 2011845, 3353075, 4023690, 6706150, 10059225, 20118450]

約数ペア:

[(1, 20118450), (2, 10059225), (3, 6706150), (5, 4023690), (6, 3353075), (10, 2011845), (11, 1828950), (15, 1341230), (22, 914475), (25, 804738), (30, 670615), (33, 609650), (50, 402369), (55, 365790), (66, 304825), (75, 268246), (89, 226050), (110, 182895), (137, 146850), (150, 134123), (165, 121930), (178, 113025), (267, 75350), (274, 73425), (275, 73158), (330, 60965), (411, 48950), (445, 45210), (534, 37675), (550, 36579), (685, 29370), (822, 24475), (825, 24386), (890, 22605), (979, 20550), (1335, 15070), (1370, 14685), (1507, 13350), (1650, 12193), (1958, 10275), (2055, 9790), (2225, 9042), (2670, 7535), (2937, 6850), (3014, 6675), (3425, 5874), (4110, 4895), (4450, 4521)]