20736956520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8228951}}^1$

素因数の和:8228975

約数の個数: 96

約数和(自身を含む): 77022990720

約数和(自身を除く): 56286034200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8228951, 16457902, 24686853, 32915804, 41144755, 49373706, 57602657, 65831608, 74060559, 82289510, 98747412, 115205314, 123434265, 148121118, 164579020, 172807971, 197494824, 230410628, 246868530, 288013285, 296242236, 329158040, 345615942, 370302795, 460821256, 493737060, 518423913, 576026570, 592484472, 691231884, 740605590, 864039855, 987474120, 1036847826, 1152053140, 1382463768, 1481211180, 1728079710, 2073695652, 2304106280, 2592119565, 2962422360, 3456159420, 4147391304, 5184239130, 6912318840, 10368478260, 20736956520]

約数ペア:

[(1, 20736956520), (2, 10368478260), (3, 6912318840), (4, 5184239130), (5, 4147391304), (6, 3456159420), (7, 2962422360), (8, 2592119565), (9, 2304106280), (10, 2073695652), (12, 1728079710), (14, 1481211180), (15, 1382463768), (18, 1152053140), (20, 1036847826), (21, 987474120), (24, 864039855), (28, 740605590), (30, 691231884), (35, 592484472), (36, 576026570), (40, 518423913), (42, 493737060), (45, 460821256), (56, 370302795), (60, 345615942), (63, 329158040), (70, 296242236), (72, 288013285), (84, 246868530), (90, 230410628), (105, 197494824), (120, 172807971), (126, 164579020), (140, 148121118), (168, 123434265), (180, 115205314), (210, 98747412), (252, 82289510), (280, 74060559), (315, 65831608), (360, 57602657), (420, 49373706), (504, 41144755), (630, 32915804), (840, 24686853), (1260, 16457902), (2520, 8228951)]